Villa type for color video doophone
The castiron type doorway machine defends more effectively rain defends the breakage
Increase 1 set indoors machine, can constitute on dragging along two of system
Vivid combination, can satisfy the demand of the villa of the different type
Visitor calling,unlock,monitor
With hand-move warm threaten function
Night version,auto turn off
Video and audio output
Camera move vertically and rain-proof
