Outdoor Station :
1)6 IR LED night vision
2)Water-proof outdoor unit with aluminum alloy Material
3)wiring:4 wires,   can connect 4 indoor phones
4)Dimension(W×H×D):205×130×13mm


Indoor station:
1)Applies to the multi apartment
2)Supports door bell, intercom, video, monitoring and the door releasing
3)Outdoor camera with infrared auxiliary
4)Indoor phone support several chord bell selectable
5)Mate with remote controller
6)Connection layout: 6wires