OnDoorbell is a network of visual doorbell, let you anywhere in the mobile phone network to know the situation of visiting your home, the main functions are as follows:
1 at any time to watch the door before the scene
2 at any time before the door to take pictures, video
3 when the guest calls to push the alarm, connect with the guest call
4 guests visiting the call button, the door can be opened for the guests to open the door