Tuya Video Doorbell WiFi Wireless Wired Door Bell DC AC Battery Powered 1080P 2MP Waterproof With Alexa Google Door Bell Camera Color:White Material:ABS material, PCBA, polymer battery, speaker, camera, hardware Power input:5V=2A Charging time: 1.5 hours Record keeping:Three days of permanent rolling storage,3 days unlimited Intercom type: Colour video Specifications: 1.B71 Intelligent visual doorbellGuard your home lnfrared night vision intelligent visual doorbell. 2.Easy installation Can be pasted or punched Support 3 adhesive backing adhesive without drilling, and supportPunching installation,power free,corvwenient and worry free. 3.HD 120 wide angle High definition camera is adopted, and each frame is real and clear.The 120 wide angle lens covers a wider viewing range, and thehome security protection is upgraded. 4.Necessary household artifactDoor bell plus monitoring 5.Intelligent visual doorbell, access to graffiti APP, take photos,Video recording,voice changing intercom, video call and other security functions. tuya Mobile video call Magic voice voice changing intercom HD infrared night vision Ring to trigger detection video Support viewing visitor records Low power consumption, extra long standby Push messages, remote viewing Package Included: 1 * visual doorbell, 1 * dingdong machine 1 * manual