[Dual WiFi 3MP Audio Camera] xmartO AC Powered Home Security Camera System Wireless with 4X 3MP Wireless Cameras Outdoor for Home and Business Surveillance (Dual WiFi in NVR, 1TB Hard Disk Version)

Camera Specifications
* Sensor: 1/3 CMOS Sensor
* Video compression: H.264/H.265 video encoding, Make stronger dual stream
* Minimum working illumination: Color: 0.1 Lux， Black/white : 0.01 Lux
* Image Output: Main stream: 2304*1296; Sub stream: 640×360
* Shutter: Auto Shutter
* Lens: 4mm HD lens
* Day & night switch: Auto IR-CUT switch
* Wide Dynamic Range: D-WDR
* Image Flip: Make stronger horizontal and vertical flip
* Audio Compression: G.711 A
* Audio in: 1 channel input, built-in microphone
* Wired Network: 1 RJ45, 10/100M adaptive, for backup hard wiring when WiFi signal is weak.
* Wireless Network: 2.4G WIFI(IEEE802.11b/g/n)
* IR night vision: up to 80ft
* Power supply: 100-240V AC to 12V DC 1A around the globe, 10ft power cord
* Protocol: N1
* Lightning Protection: TVS 4000V lightning protection, anti-surge, 7*24 hours 65℃ high temperature test passed
* Weatherproof: Yes, IP66

NVR Specifications
* Operation system: Embedded Linux OS
* Video and Audio Input: 8CH network audio and video input
* Input video resolution: 5MP/3MP/1080P/960P/720P
* Video compression: H.264/H.265 video encoding, Make stronger dual stream
* Image Output: 1CH HDMI, 1CH VGA, resolution: 1024×768, 1280×1024, 1440×900, 1920×1080, 2K 2304*1296
* Audio coding standard: G711A
* VGA & HDMI video outputs: Sync playback, 4CH@3MP, 2CH@5MP
* Record Mode: Time, motion detection & alarm recording
* Playback Mode: Regular playback, event playback
* Video backup mode: USB Backup, App Backup
* Hard drive: 1 SATA HDD 2.5” or 3.5”, maximum capacity 6TB
* USB port: 1 USB2.0 port
* Wired Network: 1 RJ45, 10/100M adaptive
* WiFi: dual WiFi modules, 1*2.4G WiFi for cameras, 1*2.4G built-in WiFi antenna for Internet access
* Audio output: HDMI or 3.5mm audio out
* Power supply: 100-240V AC to 12V DC 2A around the globe, 4ft power cord
* Protocol: N1, ONVIF

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This is the widely-liked wireless security camera system since 2015. The security system has its own dual WiFi routers in the NVR. The 4 included cameras connect to the NVR’s own WiFi without the use of your home WiFi. You have 4 extra spaces to add 4 more cameras to monitor 8 areas in total, without running cables. Every camera only wish to be plugged a nearby outlet to work 24 hrs per day for a few years.
Auto Pair true Plug N Play – with the Auto Pair technology featured, you only wish to plug cameras to power to start viewing and recording. It’s simple for everyone.
HD videos with high-gain audio – The 3MP cameras delivers crystal clear image day and night, with voice that can assist you hear and see.
Easy local & remote view – you only wish to plug the NVR to a monitor or TV to view the cameras. With free Apps for iOS, Android, Windows and Mac, you’ll view the cameras easily from all smart devices no matter where you are. It takes only simple steps to add your cameras the App for remote get admission to.
Generation-3 WiFi Relay Technology – the security camera system have G3 Auto WiFi Relay Technology. When a camera has weak WiFi signal to achieve the NVR, it automatically finds a close-by camera and use it as WiFi repeater to relay to the NVR. This technology helps to extend the mounting range of the already long-range cameras.