Product Features: 1. 700TVL IR Night Vision Camera, 7" White Indoor Monitor 25 Ringtones to Choose. 2. Works with 4-wire connection system. The maximum distance is 100 meters. Different cables are used for different distances. 3. Hands-free intercom and indoor monitoring. When a visitor rings, the monitor is activated and displays the image outside. Press the answer button, then you can talk outside. Press the answer button again to turn it off. 4. Can be connected to the electric lock. You can open the door using the opening button from the indoor monitor. 5. Suitable for two different families/apartments. Each call button can be connected to one indoor monitor. Product technical parameters: Outdoor camera. Camera resolution: 700 LTV Night vision: up to 2 meters Working temperature: -20°C to +60°C. Viewing angle: 85° to 90°. Power supply: Power supply from the indoor unit. Most long distance calls: 100 meters. Suitable for: Apartment houses. Material: ABS plastic. Cable system:
