Top 8 Best Wireless Cameras For Business

of July 2024
1
Best ChoiceBest Choice
2K Indoor Security Camera, Litokam Cameras for Home Security with 360Motion Detection, WiFi Camera Indoor for Baby/Elder/Dog, Pet Camera with Phone APP, IR Night Vision, 2-Way Audio, 4 Pack
litokam
litokam

10
Exceptional
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2
Best ValueBest Value
1080P Wireless Security Camera System, Firstrend 8CH Wireless NVR System with 8pcs 1080P HD Security Camera and 3TB Hard Drive Pre-Installed,P2P Wireless Security System for Indoor and Outdoor Use
firstrend
firstrend

9.9
Exceptional
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3
[2 Way Audio,2K] Wireless Security Camera System,SAFEVANT 8 Channel Wireless NVR System with 8pcs 1080P HD Security Cameras and 3TB Hard Drive,Home Camera System Wireless for Outdoor Indoor
SAFEVANT
SAFEVANT

9.8
Exceptional
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4
Blink Indoor  wireless, HD security camera with two-year battery life, motion detection, and two-way audio  5 camera kit
Blink Home Security
Blink Home Security

9.7
Exceptional
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5
3MP Wireless Security Camera System with Audio 3TB Hard Drive,SMONET 8CH WiFi Home Surveillance NVR Kits,8Pcs 3MP Outdoor Indoor IP Cameras Night Vision,AI Human Detection,Free App
SMONET
SMONET

9.6
Exceptional
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6
[8CH,Expandable] All in one with 10.1" Monitor Wireless Security Camera System, Cromorc Home Business CCTV Surveillance 1080P NVR, 4pcs 3MP Indoor Outdoor Night Vision One-Way Audio Camera,1TB HDD
Cromorc
Cromorc

9.5
Excellent
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7
[8CH Expandable, 2K] Hiseeu All in one with 12" LCD Monitor 3TB Hard Drive, Wireless Security Camera System, Home Business 8CH 1296P NVR Kit 4pcs 3MP Outdoor Bullet IP Cameras Night Vision Waterproof
Hiseeu
Hiseeu

9.4
Excellent
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8
[Expandable 8CH,2K] Hiseeu Wireless Security Camera System with 1TB Hard Drive with One-Way Audio,8 Channel NVR 4Pcs 1296P 3.0MP Night Vision WiFi Security Surveillance Cameras DC Power Home Outdoor
Hiseeu
Hiseeu

9.3
Excellent
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9
Two Way Audio3MP Security Camera System Wireless with Monitor, SAFEVANT 8 Channel Video NVR Systems with 4pcs Outdoor Indoor Home Surveillance IP Camera Night Vision Motion Detection,1TB Hard Drive
SAFEVANT
SAFEVANT

9.2
Excellent
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10
[Newest Strong Version]ISOTECT 11.6''Monitor,High-efficiency Video Coding Monitoring NVR Wireless Security Camera System,8CH 1000TVL Full HD 3MP CCTV Security System,6 IP66 Waterproof Cameras,2TB HDD
isotect
isotect

9.1
Excellent
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11
2021 New Security Camera System Wireless, 4TB Hard Drive Pre-Install 8 Channel 1080P NVR, 8PCS 1080P 2.0MP CCTV WI-FI IP Cameras for Homes,OHWOAI HD Surveillance Video Security System.
OHWOAI
OHWOAI

9.0
Excellent
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About Wireless Cameras For Business

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2K Indoor Security Camera, Litokam Cameras for Home Security with 360Motion Detection, WiFi Camera Indoor for Baby/Elder/Dog, Pet Camera with Phone APP, IR Night Vision, 2-Way Audio, 4 Pack

2K Full HD Smart PanTilt Indoor CameraThe indoor camera equipped 2K resolution Pixels and high-tech optic lens presents sharper details and produces crystal clear image quality. Support reliable Ethernet cable and 2.4GHz Wi-Fi connectivity Not compatible with 5GHz, the indoor security camera provides a wider viewing angle with horizontal 360 and vertical 110 function for complete coverage of your home, no blind spot. Not a battery camera.. Motion Detection Motion TrackingSecurity camera indoor adopts Smart Perceive Technology to detect movements. Once motion detected, your phone will get an alert notification push in time, just open your mobile phone APP to check quickly what is going on, never miss any important movements The Motion Detection sensibility can be adjust by yourself. Meanwhile, when you turn on the function of auto movement tracking, the 360 security camera will move as the object moves.. Fluent 2 Way Audio Night Vision Built-in microphone and speaker, you can keep in touch with your babypetnanny anywhere anytime. With the intelligent IR-Cut switch, the indoor security camera will automatically change into daynight mode. You can also manually turn it on or off as you like, the night vision distance is up to 33 feet in pitch dark.. Cloud Storage Local Record You can save videos to a max 128GB TF card Not included or cloud storage 14 days free trial to make sure you can playback the video records at anytime. High level encryption technology will protect your videos can be only read by you even if this indoor camera was stolen or broken, no one can access your recording videos.. Multi-Users Multiple ViewThis pet cameras with phone app supports many users No limit on the number of accounts to view simultaneously on iPhone and Android phone. You could share your camera with friends and family for good moments. Little elf Smart app can manage multiple security cameras and display 16 live videos on one screen, help you keep up with everything in your house. Please feel free to contact us if you have any problems..

1080P Wireless Security Camera System, Firstrend 8CH Wireless NVR System with 8pcs 1080P HD Security Camera and 3TB Hard Drive Pre-Installed,P2P Wireless Security System for Indoor and Outdoor Use

WHY FIRSTREND System includes 8pcs 1080P HD Bullet camera, 8CH 1080P NVR Recorder with 3TB HDD pre-installed. 4TB HDD Max can be supported Internal, SATA Interface, 3.52.5inches. Putting customers interest first is our business philosophy, 60-day free return and 1-year warranty is guaranteed. Any inquires, please feel free to contact Firstrend experienced support.. REAL P2P Plug and play surveillance kit, camera and NVR are paired before shipping. Simply connect the cameras and NVR to the Power by included power adapter, picture shows up. NOTICE Wireless means video cable is not required for cameras working, but device user still NEED to connect camera to Power outlet for 247 surveillance purpose.. HOW IT WORKS Connect the cameras and NVR to the power, connect the Mouse to NVR. Connect PCTV monitor to NVR with a VGAHDMI Cable. Connect the Router LAN Port to NVR WAN Port with Network Cable Provided. Then, stable and stream video will be received by our professional Wifi signal transmission based on Auto Code Rate adjustment.. REMOTE MONITORING AND PLAYBACK firstrend wireless security camera system is totally compatible for your mobile Andriod and iOS System, tablet and PC. Free APP can be download to remote view and playback recordings Please make sure NVR is connected to your router by Ethernet cable. It also support Sync-playback,Video Backup and Motion detection. Email alert or App alert will be sent once motion got triggered Noted Please Set it Up Properly to Avoid Email Blast.. HD SECURITY CAMERA SYSTEM 8pcs of 1080P HD bullet cameras are provided in the package. Night Vision up to 65ft by 6 IR-leds and IP66 rated weatherproof cameras. You can install it anywhere you want, perfect outdoor indoor Security Surveillance solution for Home, Office, Shop, Warehouse etc. firstrend CCTV System features One device linked One User ONLY. The system kit is ONLY controlled by one authorized account, who can share the device with others in order to prevent attacking or hacking..

[2 Way Audio,2K] Wireless Security Camera System,SAFEVANT 8 Channel Wireless NVR System with 8pcs 1080P HD Security Cameras and 3TB Hard Drive,Home Camera System Wireless for Outdoor Indoor

Easy Diy Install Plug PlayThe cameras and NVR have been matched before shipment. Easy to setup and DIY installation 1Connect the Camera and NVR to the power 2Connect PCTV monitor to NVR with a VGAHDMI Cable. The Video will show up on TV or display. The System works locally even without any Internet connection. NOTICE Cameras need plug-in power.. IP66 2 Way AudioSAFEVANT CCTV Camera Security System -HD live Video in Day Night. 75viewing angle,ensures crisp smooth footage with 2.0 Megapixel 12801080P Bullet IP Cameras. With 36 array IR-LED, IR night vision up to 65ft. Two way audio camera, can speak through your phone and record voice clear. Employing IP 66 weatherproof aluminum housing material.Perfect for variety occasions, Home, Office, Shop,Warehouse Indoor Outdoor Use.. Advanced H. 264 Video Compression SAFEVANT Wireless Home Security Camera System for Outdoor Indoor use with more advanced video compression technology.Compared with H.264, the smart H.264 Wireless Security System allows storing more video for Hard Drive,reduce the network bandwidth and saves up to 60 more disk storage space, thus saves more cost for you. It also improves transmission efficiency and enables the cameras to deliver ultra HD image quality.. Remote Access Motion Alarm NVR Security Camera System support Remotely video preview, recording, sync-playback, backup, motion detection, and emailapp alarm.Need Connect NVR to router with network cable. Download the free App XMEye Pro to your mobile to add SAFEVANT device,you can remote access simultaneously on smart devices at anytime, anywhere with WiFi 4G5G.You can set up a monitoring area,Email alert or App alert will be sent once motion got triggered.. NO Worry ReturnSAFEVANT Wireless Security Camera System with 60-Day Money Back Guarantee,One Year Warranty and Life Time Professional Tech Support Team.It comes with 8 Channel 3MP NVR,8pcs 1080p WiFi IP Cameras, 3TB Hard Drive-preinstalled to enjoy your safe life..

Blink Indoor wireless, HD security camera with two-year battery life, motion detection, and two-way audio 5 camera kit

Blink Indoor is a wireless, battery-powered security camera that helps you check in on your home day or night with infrared night vision.. With long-lasting battery life, Indoor runs for up to two years on two AA lithium batteries included.. Store video clips and photos in the cloud with the Blink Subscription Plan and save events locally to the Blink Sync Module 2 via a USB flash drive sold separately.. Get customizable motion alerts on your phone through the Blink Home Monitor app so youre only alerted when you need to be.. See, hear, and speak to people and pets in your home with live view in real time and two-way audio features in the Blink app.. Designed so you can set up yourself in minutes. No wiring, no professional installation required.. Works with Alexa use your voice to monitor your home through supported Alexa-enabled devices.. Includes five Blink Indoor cameras and one Sync Module 2..

3MP Wireless Security Camera System with Audio 3TB Hard Drive,SMONET 8CH WiFi Home Surveillance NVR Kits,8Pcs 3MP Outdoor Indoor IP Cameras Night Vision,AI Human Detection,Free App

3MP camera with audio 3MP presents 23041296p about 1.5 times clearer than 1080p. The bullet camera with 3pcs array infrared leds allows you to see up to 65ft night vision even in darkness. SMONET cameras can be used indooroutdoor, employing ip66 waterproof metal material housing. The one-way audio recording makes you listen to people on your property remotely. Best choice for your home and office security.. Remote access anytime anywhere AI human detection SMONET camera system supports video preview, recording, sync-playback, backup, AI human detection and Email alarm. You can remote access simultaneously on smart devicesIOSAndroid anytime and anywhere with Wi-Fi2G3G4G5G on smart phone,Pad and PC. Youll never miss out on a moment. AI human detection provides to minimize false alarms. You can set up a monitoring area, email alert or app alert will be sent once motion is detected.. Remote access anytime anywhere AI human detection SMONET camera system supports video preview, recording, sync-playback, backup, AI human detection and Email alarm. You can remote access simultaneously on smart devicesIOSAndroid anytime and anywhere with Wi-Fi2G3G4G5G on smart phone,Pad and PC. Youll never miss out on a moment. AI human detection provides to minimize false alarms. You can set up a monitoring area, email alert or app alert will be sent once motion is detected.. H.265 video compression2TB hard drive preinstalledCompared with h.264, second generation h.265 is able to double data compression ratio, while improve video quality with low bit-rate, it enables IP camera to deliver smooth HD video with low bandwidth, in turn, reducing the network bandwidth and save up to 50 video storage space. 1tb hard drive is preinstalled. No need to purchase and install hard drive. It supports 24 hours more than 30 days reliable video recording.. Warranty, ServiceLegal provisions on recording1-year free warranty. 30-day money back guarantee. Free life time tech support.USA toll free 866 710-5666. SMONET sells wireless camera system in many countries. In the united states, if you need the recordings as evidence in court, you need to follow the state's laws on recording. Laws are being updated all the time Be sure to check each state or speak to an attorney for the latest and best information.. Market terms This is not battery powered cameras. Wireless camera system doesn't mean you can use it without any cables. Power supply still needed to power on the cameras and NVR to get 24x7 hours live surveillanceSMONET doesn't take charge of installation. Traditional IP camera system is not only required to connect to power supply, but also required to connect with video cable..

[8CH,Expandable] All in one with 10.1" Monitor Wireless Security Camera System, Cromorc Home Business CCTV Surveillance 1080P NVR, 4pcs 3MP Indoor Outdoor Night Vision One-Way Audio Camera,1TB HDD

Easy Setup, All-in-one 10inch LCD Monitor Cromorc 1080P NVR integrated with 10.1 LCD Monitor and cameras are auto-paired during the factory setting. Wireless means camera and NVR is wireless connection, camera and NVR still need work with power cable. Just need to connect the wireless cameras and NVR with power supply provided for 247 surveillance purposes.. High Definition Weatherproof Security CamerasCromorc wireless HD security one-way audio cameras offer crystal-clear high definition video that ensures crisp security footage and enhanced night vision capability. Cameras built in 3pcs Array IR LEDs and smart automatic switch IR cut filter to support continuous daynight surveillance. Night vision up to 65ft 20m. IP66 weatherproof cameras with metal housings bring in longer lifespan.. Secure and Stable Long Rrange Wireless SignalsUse up to eight HD wireless security cameras on the same system without worrying about signal interference. Our HD wireless monitoring offers long range coverage, which is ideal for monitoring large properties or detached buildings.. Multi-Function, Easy Remote Access Anywhere AnytimeThe system supports video previewrecordingplaybackbackupmotion detection and email alarm. You can view the video on smart devicesIOSAndroid anywhere anytime by connecting to Ethernet. Please download free APP IP PRO or Eseecloud from Apple APP Store or Android Google Play.. Cromorc team has been engaged in security industry for more than 15 years. We select quality raw material, lasted technology, professional surveillance-level hard drive and anti-shake package to satisfy customers. We provide 1-year free warranty and lifetime efficient support. If you need any assistance, please feel free to contact us anytime..

[8CH Expandable, 2K] Hiseeu All in one with 12" LCD Monitor 3TB Hard Drive, Wireless Security Camera System, Home Business 8CH 1296P NVR Kit 4pcs 3MP Outdoor Bullet IP Cameras Night Vision Waterproof

All-in-one 12inch LCD Monitor, Easy Setup The wireless security camera recorder equipped with 12 inch screen monitorNot touch screen, 1080P full HD display clear image which view angle will be more widely. The cameras and NVR monitor are auto-paired during the factory setting. Just need to connect the wireless cameras and NVR with power supply provided for 24 7 surveillance purposes. Wireless means camera and NVR is wireless connection, camera and NVR still need work with power cable.. Stunning 2K Ultra HD video, One Way Audio 3.0MP presents 23041296 Mega Pixels about 1.5 times clearer than 1080P. Camera with 3 array Infrared LED allows you to see up to 65ft night vision even in darkness. Employing IP66 Waterproof metal material housing, cameras can be used indoor and outdoor. Outdoor security camera system also allows you to see and listen to people on your property remotely.. 3TB HDD Storage, Cloud Storage With preinstalled 3TB HDD, it can keep around 60 days of 247 videos for 4 cameras simultaneously without overwriting. With free EseeCloud APP, for android and iPhone, all videos in the HDD can be playback remotely in your hand anywhere anytime. 8 channel NVR comes with advanced H.265 compression ensures more stable and clearer viewing experience, saves 50 hard drive capacity.. Expandable to 8 CamerasThis 8ch wireless camera system up to work with 8pcs cameras, supported original kits one way audio camera B07JQZQRVG, two-way audio cameraB07FVSK6BY, B08HRPQMY3, PTZ cameraB08JYMYPCM, B081PRVDJ3, B08PY58W2M, B08RHM6VF2 and battery camera B08HN4QXBY, B08TWG2N5D. Meet all your need.. Dual WIFI NVR Dual WIFI NVR support 2 ways to connect with network connect with network by Ethernet cable or connect with 2.4Ghz WIFI network. Ethernet connection allow NVR install away from router. WIFI connection dont need cables around house.. You are very ImportantHiseeu grow up with you, We invest a lot of personnel and time in the pre-sales, in-sales and after-sales process. You can contact us by telphone and email. If we miss your call, please contact us by email. We promise to reply to you within 12 hours. This is an important way for us to collect customer suggestions. We also offer new cameras and extra cameras as gifts for these suggestions We always endeavor to assist our customer with the best of our service.

[Expandable 8CH,2K] Hiseeu Wireless Security Camera System with 1TB Hard Drive with One-Way Audio,8 Channel NVR 4Pcs 1296P 3.0MP Night Vision WiFi Security Surveillance Cameras DC Power Home Outdoor

DC12V Power Plug-in Easy SetupWireless means camera and NVR is wireless connection, cameraNo battery and NVR still need work with power cable. The wireless video security system is easy to setup and DIY installation need DC 12V plug power supply, these WIFI cameras are paired with NVR at manufacturing site. Connect PCTV monitor to NVR by a VGAHDMI cable. Finally power on and serve yourself with 247 surveillance, true plug and play.. Preinstalled 1TB Hard Drive Cloud Storage1Tb Hard Drive Pre-installed support 24 hours More than 45 days reliable video recording. 4 cameras can store 24 hours recording about 30 days. Cloud Storage is not free, as per your own needs choose the better choice.. Stunning 2K Ultra HD video One Way Audio 3.0MP presents 23041296 Mega Pixels about 1.5 times clearer than 1080P. Camera with 3 array Infrared LED allows you to see up to 65ft night vision even in darkness. Employing IP66 Waterproof metal material housing, cameras can be used indoor and outdoor. Outdoor security camera system also allows you to see and listen to people on your property remotely.. H.265 Video Compression Compared with H.264, H.265 is able to double data compression ratio, while improve video quality with low bit-rate, It enables IP camera to deliver smooth HD video with low bandwidth, in turn, reducing the Network bandwidth and save up to 50 video storage space.. AI Human Detection Reduces false alarms -- Compared with the traditional motion detection alert, the Hiseeu 3MP camera adopt more advanced AI human detection technology in 2021. Advanced AI technology for home security camera systems distinguishes humans from animals or objects within the monitoring range reducing false alarms. When an intruder enters the monitoring range, the screen will display the human frame will be triggered.. Dual WIFI NVR for you 8CH NVRDual WIFI NVR support 2 ways to connect with network connect with network by Ethernet cable or connect with 2.4Ghz WIFI network. Expandable 8ch NVR allow to operate 8pcs cameras at most, Hiseeu sell various types of cameras meet all your needs. Search ASINB07JQZQRVG B08HRPQMY3 B081PRVDJ3 B08293P67Z B096XPT915. Remotely Anytime Anywhere and No Monthly FeeHiseeu wireless security camera system can work without network. Internet is only necessary when remote access from phone or computer. It allows to view the live video remotely anytime and anywhere by phone or computerAvailable for Android IOS system. We are providing free mobile APP EseeCloud iOS Android and PC Client. No additional cost to download APP. Windows and MAC computer software EseeCloudPlease E-mail to Johnny for Software..

Two Way Audio3MP Security Camera System Wireless with Monitor, SAFEVANT 8 Channel Video NVR Systems with 4pcs Outdoor Indoor Home Surveillance IP Camera Night Vision Motion Detection,1TB Hard Drive

All in One 2 Way Audio8CH 3MPP NVR10.1Monitor Security Camera System with 4pcs IP66 Weatherproof Bullet IndoorsOutdoors 1296P Wireless Security Cameras, provide you Crystal Super Clear Image, Two-way audio support sound record allows you listen and talk remotely. Night Vision Up to 65ft20M. Pre-installed 1TB HDD for video recording to protect your Home and Business 247. NOT Wire-freeWireless Surveillance Camera System has been matched before shipment. Easy to setup and DIY installation. Connect the Camera and NVR to the power, Then Connect PCTV monitor to NVR with a VGAHDMI Cable. The Video will show up on TV or display. The System works locally even without any Internet connection. Notice Cameras need plug in power.. Smart Remote AccessWireless Camera System allows you Remote Access simultaneously at anytime, anywhere with wifi4G on smart Phone,Pad and PC. Download XMEye Pro on mobile phone Free App Support Android IOS , super easy setup in seconds. Install VMS software so that you can remote view Surveillance Camera System on PC or laptop. Motion Detection EmailAPP AlertsHome Security Camera System support motion recording and detection.When motion is detected, you will get Mobile Notification and Email alerts so that you will always get notice of whats happening.Motion recording starts when motion is detected and stops when motion detection is over. Kindly suggest to setup time recording and motion recording at the same time since motion recording last short time. Life-Time Support SAFEVANT Wireless Security Camera System with 60-Day Money Back Guarantee,One Year Warranty and Free Life Time Tech Support.Putting Customer First is our business philosophy.

[Newest Strong Version]ISOTECT 11.6''Monitor,High-efficiency Video Coding Monitoring NVR Wireless Security Camera System,8CH 1000TVL Full HD 3MP CCTV Security System,6 IP66 Waterproof Cameras,2TB HDD

IP66 Waterproof Camera with 11.6 Monitor Screen--8CH ultra-high-definition wireless security camera system with monitor based on HEVL megapixel wireless camera. It adopts 3MP ultra-high-definition video to achieve broadcast-level image quality above 1000TVL.isotect security camera system has longer signal transmission distance and stronger wall penetration ability of the house facility. The 2TB hard drive is pre-installed to support reliable recording for 24 hours and more than 60 days.. Customer First--We provide free technical support. Provide free replacement of new parts. Company name ISOTECT TECHNOLOGY CO. Company address 2353 Fullerton Rd, Rowland Heights, Los Angeles CA 91748. If you have any questions, please feel free to contact us. US Service Hotline 626 362 7827 Los Angeles time, if you miss the call, please leave a message and we will get back to you as soon as possible.. True Plug and Play--Wireless video security camera system is easy to set up without any video cables. Please note that this is not a battery-powered camera. A wireless camera system does not mean that you can use it without any cables. Camera 12V1A and NVR 12V3A still need power adapter isotect is not responsible for installation. Use a VGAHDMI cable to connect the PCTV monitor to the NVR. Use the provided internet cable to connect the router LAN port to the NVR WAN port.. AI Detection Technology--Wireless network camera system supports synchronous playback, video backup and video detection through advanced AI detection technology. You can more accurately receive email alerts during motion detection or application alerts when setting it up. Transfer videos directly to your smartphones, tablets and PCs. IR-CUT intelligent system and powerful IR-LED night vision function can realize continuous day and night monitoring. Night vision 65 feet 20 meters.. Always Stay Connected--Wireless surveillance camera system allows you to remotely view live video anytime, anywhere through mobile phones, Mac, PC, iPad applicable to Android and IOS systems. Download free application Eseecloud from Android Google Play or Apple APP Store. Register a new account, then add device ID. You can watch the video via WiFi or 4G network. PClaptop view Windows system CMS software macOS system MAC macOS software. Please download it from our company website..

2021 New Security Camera System Wireless, 4TB Hard Drive Pre-Install 8 Channel 1080P NVR, 8PCS 1080P 2.0MP CCTV WI-FI IP Cameras for Homes,OHWOAI HD Surveillance Video Security System.

Real Dual Antenna to enhance WiFiWireless signal is very important for wirelsss system. If the wireless signal is weak, the video will be blurredstalleddisappeared, so we will update all cameras to real dual antennas.The signal transmission distance is doubled compared to ordinary cameras, and the video will be even better,smoother and clearer.. AI Human Detection Remote Access With most advanced AI Human Detection technology,OHWOAI wireless security camera only detects human movement.It's more accurate than PIR or motion detection camera,avoiding 99 false alerts.System supports motion detected record alarm and allows you to access it remotely from your phone,tablet or PC.When movement is detected,the system will send you email alert so you can see what's happening.It supports up to 3 people to view online simultaneously.. 4TB HDD 60 Days Video Storage This 8 camera wireless security system has a preinstalled 4TB hard drive. The advanced compression technology allows the hard drive store more videos and pictures than any other system.You will not have to worry about missing any important moments, and it does not need to assemble extra hard drive normally, save your money and time.. 3.0MP HD Weatherproof Night Vision Adopted 3.0MP high-tech optical lens, the security camera presents a higher 20481536 Mega Pixels super high definition frames than 1080P cameras.All-metal housing, IP67 waterproof, can be used in outdoor and indoor environment.It has a 3DNR noise reduction technology,36 LED lights with SMART HDR function. The video can be seen clearly in bright light or dark places.. Update Two-way AudioBuilt-in microphone, expandable 5W high-power speakersold separately,to achieve true two-way audio.It can record sounds within about 33ft10 meters.Two-way audio allows you to talk to others,and you can talk to suspicious people directly if necessary.NoticeOnly when used with extend speaker,this system can achieve two-way audio..