Welcome to our store!1Multifunction: Support real time monitoring, visual intercom, remote unlock, infrared night vision, hands free functions. You can use the indoor monitor to monitor what's happening in front of the door. 2Night View: The doorbell outside the door adopts infrared LED, with automatic infrared night vision function, which can provide a clear view at night. 3How It Works: When someone touches the doorbell outside, the indoor music doorbell will ring to remind the owner to open the door. 4Remote Unlocking: Residents do not need to go to the door to unlock the lock, can remotely unlock through the indoor display, bringing you more convenience. 5Visual Intercom: The intercom can last for 120 seconds, and it will enter the standby state after two minutes, which saves electricity. 6Waterproof: The doorbell machine is equipped with a rain cover, waterproof and anti oxidation. It supports two installation methods, embedded installation and wall mounted installation.Item Type:VideoDoorbellMaterial: ABS+Aluminum AlloyVoltage: 100-240VScreen Size: 7in TFT (16:9 Display)Resolution: 480xRGBx230Output Voltage: DC15VCurrent Output: 1200mATalk Duration: 120 SecondsMonitoring Duration: 60 SecondsPower Consumption: Standby