Smart Wireless Remote Video Doorbell PIR Motion Monitoring Intelligent Visual Doorbell Home Intercom HD Night Vision Wifi Rechargeable Security Door Doorbell Feature Longer standby: Doorbell powered by 9000Mah battery(include).The batteries can last around 1 year between recharges with normal use (5-min events a day) Smart Night Vision: Switch to night, the light sensor on the doorbell will provide a clear view in the dark of night Easy to set up the Video doorbell in the App: Youll never miss anyone or any thing.Get instant phone alerts when visitor are at your front door or contact the built-in motion PIR sensors.Talk and see your visitors through your smartphone,Compatible With iOS and Android Devices Two-way Audio: The Video Doorbell is equipped with a Passive Infrared Radiation sensor, detecting the slightest motion at the entrance.Phone alerts you when visitors are at your front door. Hear and speak to people at your door from your mobile device with built-in microphone and speakers 2.4GHz Wi-Fi Compatible:The 2.4GHz Wi-Fi range of Video Doorbell is up to 20m (66ft), it easily connects to your homes Wi-Fi network, sending live video feed to your phone. You can see and talk to the visitor from the comforts of your bed, from work, or while on vacation.(Not support 5G WIFI) Specification: 2.0 Mega PIXE-L 1080P Image sensor : 1080P CMOS sensor Lens : Full 4G Ultra Wide Angle 1.7mm Lens Video stream : transmission 1920x1080/30fps,1280x720/ 30fps,640x360 / 30fps Stand-by : About 1 year (9000MAH) Infrared distance : 850nm infrared , effective distance 5m Network configuration : one key WIFI setting + sound confiquration PIR human detection:Support PIR detection and wake up Wifi:2.4 GHZ Network protocol: TC-P/IP,HTTP,TC-P,UDP,SMTP,DHCP,DNS,P2P Wireless : WIFI 802.11b /g/n wireless network Passive human infrared detection : support IP65 Waterproof Product size:13.5x4.8x2.9cm/5.31x1.89x1.14 inch Package size:16x7x6cm/6.3x2.75x2.36 inch Gross weight:285g/0.63 lb The Package Include: 1 x Smart doorbell 1 x Chime 1 x Use manual 1 x Installation tool