1)no distance limited/ gsm network 2)alarm to phone;report the detail situation of the car 9)sensitivity of shock sensor adjustable 10)system power off alarming 11)alarm memory recall 12)bands( 850mhz/1900mhz, 900mhz/1800mhz, ) 13)door detect 14)automatic central locking system 15)compatible with any cars 16)gsm network alert. 17)keyboard for phone call 5pcs per box
