1.CE,FCC,ROHS certificate 2.1/3 CCD Sony camera 3.Night vision with IR LED 4.Modularized of door panels 5.Burglar alarms JB-5000 Multi-apartment Intercom SystemFeatures The system is applicable for single buildings. Besides the common functions of calling/answering/unlocking, there are more useful features as follows:1.Modularized of door panels.2.Bus cable, PLUG & PLAY.3.Address can be ...