Feature:1. Once someone rings the doorbell, a push notification will be sent to your phone and the picture will be captured and stored in the APP.2. Connect to the Tuya APP via WiFi to easily complete the setup, compatible with Android and iOS phones.3. The receiver uses radio frequency to connect the doorbell, with high volume, strong ability to penetrate walls, and wide coverage.4. Support phone remote communication, even if you are not at home, you can remote communicate with outside visitors through phone.5. High clear camera supports infrared night vision, the viewing angle is larger and wider, and the scene in front of the door can be seen more comprehensively.6. Easy to install and use, powered by 3 * AAA battery (not included), with low battery reminder, please replace the battery in time.Specification:Features:Once someone rings the doorbell, a push notification will be sent to your phone and the picture will be captured and stored in the APP.Connect to the Tuya APP via WiFi to easily complete the setup, compatible with Android and iOS phones.The receiver uses radio frequency to connect the doorbell, with high volume, strong ability to penetrate walls, and wide coverage.Support phone remote communication, even if you are not at home, you can remote communicate with outside visitors through phone.High clear camera supports infrared night vision, the viewing angle is larger and wider, and the scene in front of the door can be seen more comprehensively.Easy to install and use, powered by 3 * AAA battery (not included), with low battery reminder, please replace the battery in time.Specifications:Camera:Material: PlasticsResolution: 640 * 480Rated Voltage: 4.5VNight vision: Automatic SwitchingAudio: Two-Way VoiceDoorbell Power: 3 * AAA Battery(Not Included)Chime:Input Power: USB 5VWorking Temperature: 0-45Working Humidity: 10-90%RHItem Size: 87 * 58 * 108mm/ 3.4 * 2.3 * 4.3inPackage Size: 200 * 100 * 80mm/ 7.9 * 3.9 * 3.1inPackage Weight: 150g/ 5.3ozPacking List:1 * Doorbell1 * Chime1 * User Manual1 * Screw Driver1 * AdhesiveSome ScrewsPackage List:1 * Doorbell1 * Chime1 * User Manual1 * Screw Driver1 * AdhesiveSome Screws