Tuya Smart Smart Door Bell Video Intercom Wireless Wifi Outdoor Doorbell Night Vision Hd Camera Smart Home Security Door Bell Description: Product model: X7 Connection: Bluetooth & WiFi View: 60 Pickup distance: 3 meters Battery: dry battery/lithium battery Storage: Cloud Night vision lamp: 850N night vision lamp Doorbell size: 73*46*25mm Ding dong machine size: 43*43*32mm Specifications: 1: support WiFi 2.4G wireless network, no wiring, simple installation, convenient and quick; 2: Super infrared night vision is not afraid of darkness; 30W high-definition camera, with 4 LED infrared lights, night vision effect is easily presented; Even in a completely black environment, visitors can be clearly identified; 3:85 viewing angle Voice-changing intercom; Press the doorbell to push information and view video intercom in real time. 4: graffiti APP photo, video, check the record 5: Support a variety of cloud technologies, realize network penetration, front-end docking and other functions Support multi-device connection Android, IOS, Package Included: 1 * doorbell, 1 * ding dong, 4 pairs of expansion screws