Description:This Wi-Fi doorbell connects to the home wireless network and reaches the dual room intercom between the doorbell and the phone.When the visitor clicks on the call, the sound is activated and the camera will start sending live images and calling the mobile phone. The user will answer the call and can check who the visitor is. You can talk to the visitor. It can make your life easier, smarter and safer. This is very economical!Features:Support Wi-Fi connection, for Android IOS remote control application. Easy to install and use.HD 720P image quality, support for night vision, camera viewing angle of 166 .Ultra low power consumption, long standby, remote active wake-up, fast start.Rainproof: The doorbell can be installed outdoors without worrying about getting wet.Support video recording. Real-time support video intercom with visitors, nighttime infrared viewing, TF card recording. Supports up to 32 g TF card storage (not included).Specifications:Viewing angle: 1.7 mm F2.4 / 166Image resolution: 720 PEncoding format: H.264Battery: 3 * 18650 lithium battery (not included)(Use only pointed 18650 batteries)Standby current: 200uAWorking current: 170mAPIR: SupportIR: SupportNight vision: supportPhotosensitivity: supportBuilt-in wifi: support 802.11 b/g/nMobile app: for iOS and for Android supportPush: speed push within 2s, wake-up time within 600msWake-up mode: button wake-up, PIR human body wake-up, mobile phone active wake-upRecording mode: manual, doorbell, motion detection.TF card memory: Up to 32 g TF card storage (not included).Material: ABSEnvironment: -10~50Working humidity: <95%Size: Approx.19*10.5*4.5cmPackage Weight: Approx.247g/8.7ozPackage List:1 * WIFI Doorbell(Battery is not included)1 * Screw Pack2 * Connection Cable1 * User Manual.