Features:
Surface-mounted, 7 Inch color TFT Screen with sensor buttons
Color/contrast/brightness/volume adjustable
Intercom, broadcast, Call transfer among indoor monitors
Supports 2 Outdoor Units to work with 4 indoor monitors
Different indoor monitors can supervise different channels or the same channel at the same time
Support visitor-calls transferable to telephone
Support door released by telephone remotely or any indoor monitors
Support image capture function 64 images memory
Support insert SD Card for saving captures images to computer for history record
Support 4-Channel CCTV cameras fitted for security surveillance
Support watch TV & Listen music function
Applicable for Villa
4 wires twisted pair cables, simple star cable installation

Technical parameters:
Display screen: 7 inch TFT
Resolution: > 400 TV lines
Scan frequency: 15,625Hz(H)×50Hz(V)
Power voltage: AC 110~220V 1200mA
Video input: 75Ω 1Vp-p
Power consumption: 1.5w ～12 w
Wiring mode: 4 wires，polar
Ambient temperature: -10oC~40oC
Dimension: 260（W）× 195（H）×35（D）