The wireless video doorbell is an electronic device with a two-way intelligent network control system platform with the unique advantages of “collective control”. door lock system using bluetooth,bluetooth based door lock system,vivint door lock code change,door lock system using bluetooth,best mortise lock brand,Exporter,Suppliers,Manufacturers,Factory.It is developed according to people's needs and the needs of modern home life. Wireless video doorbell product features: 1. Visual intercom function: guest visit, press the doorbell, free intercom call voice clear, such as in front; 2. Outdoor monitoring function: the door has a strange sound, one touch, It is clear at a glance, safe and secure; 3. Remote unlocking function: the family is too late to go home; the weather is too cold outside; don't want to get up in the bed; don't want to get up in front of the computer; lightly click, people can see, automatically unlock; 4. Take a photo Archive function: The owner is not at home and there are guests visiting. As long as the person taps the doorbell, it will automatically take photos and store it. Do not miss any important meeting; 5. Demolition alarm function: If someone knocks on the door machine, the indoor unit and the outdoor unit will give an alarm. Wifi video door bell fits villas, apartments, hotels, and offices etc.