... callSimple friendly voice menuFour telephone numbers: Two for warning and control; two for emergencyTrigger Sensor including the normal style ... W.:20KG/CTNCTN size: 440*350*525mmAccessoriesOne main unit, two remote controllers, one wireless keypad, one shock sensor, ... receiving, sending, with GP2000,G118VGPS/SMS, positioning anti-theft products, realize monitor positioning function. Have 900/1800, ...