Intelligent Intercom Doorbell Wireless Video Door Phone with Electric Control Lock Features: 1. Using touch sensor button, which is generous and nice-looking, also can save electricity. 2. Rainproof cover design, waterproof and moistureproof, which can protect the service life of the machine. 3. Unlocking function (the unlocking interface is suitable for DC 12V normally open/normally locked lock), and it comes with electric control lock. 4. The doorbell is equipped with a exit button interface, it is practical. 5. An outdoor machine can support up to 5 mobile phone users. 6. The doorbell can talk with cell phone, which has clear and loud sound quality. 7. Recording function, you can use mobile phone to check it at any time. 8. Adds a variety of ways to unlock, such as card, password and remote control. 9. P2P servers push visitor's calls, take photos of visitors and detect alarm records. Doorbell Specification: Condition: Machine Current: Less Than 800mA Call Delay Time: 120s±10% Camera Sensor: PC3003 700 Line Lens: 3.6mm, 92 Degrees Function: Unlock,  intercom with cell phone, human body detection alarm, movement detection and alarm, infrared night vision, monitored by mobile phone, take photo, video recording, etc. Electric Control Lock Specification: Unlock Current: 350mA Static Current: 25mA Unlock Time: Less than 1 second Unlock Type: Power on unlock Material: Cast iron Lock Tongue Length: 23mm/0.9in Surface Treatment: wire-drawing plating Installation: Install internal, external, right and left door universal locks Width: Approx. 35-50mm/1.4-2in Suitable for iron and wood doors. Package List: 1 x Outdoor Machine 1 x Power Supply 1 x Remote Control (built-in 12V 23A Battery) 5 x Key Card 2 x Connector 1 x White Wire 1 Pack of Mounting Screws 1 x Instruction Manual 2 x White Plastic Parts   1 x Red Apron 1 x Electric Control Lock (Includes: 1 x Instruction, 1 x Lock Core, 3 x Key, 1 Pack of Screw and Accessories) Equipment Requirements: 1. Smartphone or tablet for Android 4.1 or above and for IOS operating system. 2. Household network above 4M. 3. Mobile network 3G,4G.