5-in-1 Unlock: Our video doorbell has 5 unlocking methods. You can unlock by password, fingerprint, IC card, APP, and monitor. It is very convenient and flexible. 5 passports are included. Allows you to open the door whenever you want. About Wiring: The doorbell monitor needs to be wired with 4 wires. We provide a 3m 4-core cable for each doorbell for basic installation, a 1.2m external power supply for each monitor. You can extend the distance with a 4-core wire. The main monitor can be connected to your home Wi-Fi network. Allows you to see visitor information on your mobile phone at any time. Motion Detection: The wireless video intercom is equipped with motion detection: when visitors press the doorbell or the motion detection is triggered, the doorbell camera will automatically record videos or snapshots and save them to the extra micro SD card (32G card included) to protect your home every day. You can see it on your mobile phone or monitor. 7-inch Touch Screen & 1080P Doorbell:
