3G Video Door Phone System ,support CCTV Camera,Alarm Sensors,Support SMS,MMS,auto dial,remote Control and Video View On Phone 3G Video Door Phone System ,support ... owner´s 3G phone and owner can monitor their homes, support extra 8ch CCTV cameras,work with home security sensors, ... intrusion or old people need emergency care,all the wireless sensors will report these situations to 3G indoor monitor ...