Advantages
1. Saves unnecessary walking everytime towards the gate.
2. Protects from burglary and other harassments.
3. Open the door lock by pressing switch from the phone.
4. Saves the cost of Watchman.
5. You can see the stranger even in complete darkness.
Features
* High quality B/W CMOS Camera
* High Call Volume & talking volume
* High Brightness " True Color TFT A grade;
* AC100-240V capacity; plug to AC power directly;
* 4-wire;
* Call Volume and contrast adjustor;
* Possible to connect two outdoor stations.