Video Ringtones:Internet smart doorbell camera mobile phone video call |ultra-low power consumption and long standby | high-definition night vision | 170 wide angle Two-way video intercom:WIF intelligent setting, long-distance transmission, no need to open the door, video calls can be made with visitors outside the door through mobile phones, reducing accidents caused by accidental entry Connectivity Technology: Wi-fi,Tuya APP Feature: Waterproof Special Features: USB Port Wireless Communication Technology: Wi-fi Water Resistance Level: Waterproof Mounting Type: Wall mount Controller Type: Remote Control Power Mode: Battery Powered/USB Dual Use Operating Voltage: 36V wireless property: With Wi-Fi function Battery Properties: Rechargeable Battery Rechargeable Battery: Lithium Battery-Polymer Product Name: Wireless Smart Video Bell Camera Sensor lens: 170 wide-angle lens WiFi connection: support Ding : support Storage: Support cloud storage function (hardware without TF card function) Wake-up method: doorbell button to wake up Colour:Black & Gray Material:plastic Package Contents: 1 x Doorbell 1 x Ding machine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.