DescriptionItercom : YesPower : Dry batteryDisplay : NoneFeature : Photograph,VideoConnection Type : WirelessItem Type : Video DoorbellBrand Name : NoEnName_NullOrigin : Mainland ChinaCertification : CESmart home platform : OtherFeatures:Wireless Video Doorbell CameraSupport 2.4G WiFi and APP connection, 480P high resolution, presenting you clearer pictures & videos and more details.2-Way AudioWhen someone press the doorbell, a push notification can be sent to your smartphone immediately; with built-in mic, you can see and talk to your visitors at anytime and anywhere.Night VisionBuilt-in high-quality IR LED lamp beads and light sensor, the picture is clear at night; also can automatically switch to night mode from day mode after the ambient light drops down to 2 Lux.Equipped with Doorbell ChimeStrong and stable signal, easy to pair up, transmission range up to 50 meters; ring tones and volume can be adjusted according your preference.Power SupplyThe doorbell is powered by built-in 1000mAh large battery, no need to charge frequently; and the chime is of USB power supply, easy and convenient for use.Specifications:Color: whiteMaterial: ABSMax. Resolution: VGA, 640*480Video Coding Standard: MJEPGAudio Coding Standard: G711.AVideo Frame Rate: VGA@20fpsDay/ Night Mode Switch: AutomaticVideo Preview: P2PVideo Transmission Encryption: AESRadio Frequency Coding: EV1527Infrared Lamp Control: Automatic, adjustable sensitivityInfrared Lamp Wave Length: 850nmMotion Detection: Automatic, adjustable sensitivityConnection Mode: 2.4G WiFiWorking Temperature: -10~45Working Humidity: 95%Doorbell Battery Capacity: 1000mAhDoorbell Charging Port: Android portChime Power Supply: USBDoorbell Size: 7.3 * 4.6 * 2.5cm/ 2.8 * 1.8 * 0.9inchChime Size: 4.3 * 4.1 * 3.2cm/ 1.6 * 1.6 * 1.2inchDoorbell Weight: 55g/ 1.9ozNote:5G network is not compatible.Package List:1 * Doorbell1 * Chime3 * Screw2 * Screw Extension Tube1 * Cable