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 3 families. In short, this door phone kit is an ideal choice for three neighbor families, such as a neighbor in a small or large apartment, or any other building. Features: 7 inches high definition digital LCD monitor,with take picture,visitor records and calendar function. 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.Press the answer button, then you can talk to outside, press the answer button again to turn it off. IR Night Vision - The outdoor camera build-in 5 white LED light. With this function, you can see outside no matter day or night. Keep your home more safer. Very suitable for muilt-apartsment/ families, there are 2 call buttons on the outdoor camera, each call button can only connect and talk with one indoor monitor screen. You can talk to visitors smoothly at any time and any place. The indoor monitor can connector to outdoor unit directly by 4-core wire. Specification: Socket Type: AU Plug 110-240V Camera: Material: Aluminum Model: HID6 Night Vision: Infrared LEDs, Up to 3 meters View Angle: 92° Definition: 1000TVL 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 Voltage: AC110V-240V / 50-60Hz Effective Pixels: 480 * 234 * 30 Power Consumption: Operating: ≤14W Standby: ≤2W Wire: 4-core Size: 195 * 132 * 20mm/7.7 * 5.2 * 0.8in Material: ABS Plastic, Aluminum Package Weight: Approx. 2860g/100.9oz Package list: 1 * Outdoor Unit (6-button camera) 3 * Indoor Monitor 3 * DC15V Power Adapter 6 * 4-core Wire 3 * 2-core Wire 7 * 125KHz RFID Reader Card 1 * Manual 3 * Screws .