LCD video doorphone 1.with IR CCD camera 2.Easy installation&operation 3.CE,FCC,IQNet,CCC,FC etc. JB-2000 APARTMENTS INTERCOM SYSTEMFeaturesThe system is an excellent mixed system which is applicable for single building and housing district with buildings and villas.Besides the common functions of calling, answering, unlocking, there are more useful features as follows:BUS cable, Plug-and-play.Up ...