Main Processor Hi3518E Sensor 1/3 COMS Video 1920*1080@25fps H.264 Bitrate self-adaptive Suitable for changeable network environments(3G,4G or WIFI) Audio Two-way voice & Support echo cancellation Built-in speaker Built-in Microphone View Angle 110 degree Horizontal Day & Night IR-CUT double filter automatically switches 6pcs infrared LED 850mm Min Illumination:1 Lux Connection Support WiFi 2.4 GHz, IEEE 802.11 b\g\n AP Hot spot Scan QR code Storage Support SD card 8G / 16G / 32G / 64G/128G Recording Support smart phone local record, records video playback Optional recording time setting between 15s-45s, once doorbell triggered Screen Shot Support Smart phone screen shots Working Condition PIR detection triggered Mobile phone Control Running up System running up in millisecond Inform Push message within 1s-2s Motion Detection PIR motion detection, sensitivity High(2s)/ Medium(within 5s)/ Low (within 10 s) Scene Mode Backlight compensation Infrared night vision Quick movement HLC D-WDR Share Support QR code share(one-click generates QR-code, share to others To add your doorbell devices, join in remote control. Maximum supports 7 authenticatedusers,supports users 3 view at the same time Battery 3.7V, 2pcs 18650 battery, 3350mAH, Features: 1.1080P HD Wireless…