1、7 inches high definition digital LCD monitor, no radiation, low power consumption and high definition. 2、Multiple ringtones - The 25 chord ringtones can be switched freely, elegantly and fair-sounding. 3、Handsfree dual-way intercom and indoor monitoring - When a visitor ring the bell, the monitor will be activated and show the image outside. 4、IR Night Vision - The outdoor camera with night vision function, you can see outside no matter day or night. Keep your home more safer. 5、This door phone kit is an ideal choice for two neighbor families. The door phone kit has a large screen, providing a beautiful visual and security feel with very simple installation and use. With this kit, you don't need to worry about the safety of your home, it will add more convenience to your busy daily life.More importantly, the special design will fully meet the needs of 2 families. In short, this door phone kit is an ideal choice for two neighbor families, such as a neighbor in a small or large apartment, or any other building. Features: 7 inches high definition digital LCD monitor, no radiation, low power consumption and high definition. Multiple ringtones - The 25 chord ringtones can be switched freely, elegantly and fair-sounding. Handsfree dual-way intercom and indoor monitoring - When a visitor ring the bell, the monitor will be activated and show the image outside. IR Night Vision - The outdoor camera with night vision function, you can see outside no matter day or night. Keep your home more safer. This door phone kit is an ideal choice for two neighbor families. You can talk to visitors smoothly at any time and any place. Each indoor unit is connected to the external unit via a 4-core cable. Specification: Condition: 100% Brand New Color: As picture shown Camera Material: Aluminum alloy Night Vision: Infrared LEDs, Up to 3 meters View Angle: 92° Definition: 1000TVL    Control: Automatic Power Consumption: Standby: 0.1 W; Unlock: 6 W Installation: Embedded mounted Size: 245 * 118 * 38mm/9.6 * 4.6 * 1.5in Monitor: Display: 7inches TFT LCD Effective Pixels: 480 * 234 * 30 Power Consumption: Operating: ≤14W ,Standby: ≤2W Wire: 4-core Size: 195 * 132 * 20mm/7.7 * 5.2 * 0.8in Package List: 1 * Outdoor Unit (3-button camera) 2 * Indoor Monitor 2 * DC15V Power Adapter 4 * 4-core Wire 3 * 2-core Wire 7 * 125KHz RFID Reader Card 1 * Manual 2 * Screws Note: The electric door lock/release cable is attached to the camera unit. The equipment is powered by an indoor unit.