video door phone for villa:
Screen:7'' TFT with OSD ￡? With Picture Memory and Touch Screen
Resolution:1440*234 pixels
Expansibility:up to 5 monitors in one house,4 outdoor stations with MDS(4way camera switch)
Consumption:0.5W standby,15W working
Wiring:4 wires in polarity
Video signal: 1Vp-p,75ohm,CCIR standard
Audio transmit: Full duplex
Monitor timing: 30 seconds
Talking timing: 90 seconds
Dimension:153*226*28