4" color video intercom

Specification:
Power: 13.5V
Screen: 4” LCD
Resolution: 960(H)*234(V)*RGB
Operation Temperature: -20℃ - +60℃
External Dimension:
180(L)*120.5(W)*25(H)mm

Installation: Surface-mount / Stand alone
Match way: one outdoor camera to one indoor monitor, one outdoor camera to two indoor monitor, two to one, two to two, two to three.
Wired Connection: 4wired or Non-polarity 2wired