Features: Indoor Unit: 1. 7-inch TFT LCD can provide high definition wide screen image. 2. The indoor unit has hands-free intercom function, electronic control unlock function and outdoor monitoring function 3. The image brightness and color of it can be adjusted. 4. Ultra-thin aluminum panel design with blue touch button, it is beautiful and full of luxury style. 5. 16 kinds of chord sounds are optional, you will not always hear monotonous doorbells. Outdoor Unit: 1. Made of anti-alumina panel brushed and the surface is of wear-resistant treatment. 2. IP55 waterproof level 3. Blue light button display with night vision infrared function, wall-mounted installation is simple and convenient. 4. You can turn on the electric unlock and power off unlock. 5. It can be connected to the door switch and set to delay 6. It has password fingerprint remote unlock function Specification: Condition: 100% Brand New NO Lock: Voltage: DC12V Current: 200mA Keep: 500kg/1102lb Fault Protection, No Mode (locked when power is off) Use a 2-Wire, Non-Polarized Connection to Access Control or Export Equipment Signal Output: No Doorbell Performance Parameters: Switching Power Supply: AC110V-240V--50Hz DC15V 1.2A Machine Current: Less Than 800mA Call Delay Time: 120S ±10% Monitoring Delay Time: 60S ±10% Camera Sensor: 700 Lines Lens: 3.6mm 92 Degrees Outdoor Unit with Infrared Night Vision Outdoor Installation: Wall-Mounted Indoor Unit: Approx. 235 * 165 * 30mm / 9.3 * 6.5 * 1.2in Outdoor Unit: Approx. 155 * 100 * 55mm / 6.1 * 3.9 * 2.2in Plug & Power: UK Plug 110-240V Package List: 1 * Indoor Unit 1 * Outdoor Unit 1 * 5 meter Connecting Cable 2 * Switch Power 1 * User Manual 1 * Remote Control(built-in 1 * 23A 12V battery) 1 * NO Lock(with a user manual) 1、7-inch TFT LCD can provide high definition wide screen image. 2、The indoor unit has hands-free intercom function, electronic control unlock function and outdoor monitoring function 3、Made of anti-alumina panel brushed and the surface is of wear-resistant treatment. 4、You can turn on the electric unlock and power off unlock. 5、16 kinds of chord sounds are optional, you will not always hear monotonous doorbells.