3g gps tracker, 3G phone gps tracker, 3G video camera.3G video surveillance ... will be illustrated in addition)l 4, support mobile phone message to control and reach privacy securityl 5,support ... by SMS ,voice call and video call.l 6,record a vedio of alarm process to SD cardl 7 ... integrate anti-theft, location, real-time control,monitor,video record, urgent alarm and tracking servicel 10,mainly used in ...