... door phone for Apartment 1.CE and RoHs 2.3 rooms use 3.7" Digital TFT Color,Handsfree Indoor monitor 4.IR CCDcamera Video door phone for ... Apartment1. The Video door phone for Apartment is direct call,easy and convenient for 3 rooms ... Remote controlling,unlocking,monitoring the outdoor,hands free Intercom function.6.14 polyphonic melodiesfor option,brightness,contrast ...