... 1mainframe, 1 GSM antenna, 2 remote controls, GPS antenna, 1 dialer, 1 shock sensor, 1 siren, 1 speaker, 1 relay, ... off Etc)Emergency help switch. This GPS GSM car alarm system will dial the emergency help number automatically, and ... to the emergency help numberAdjustable sensitivity of shock sensorFalse alarm trigger preventionStatus LED indicatorAlarm memory recallParking reminderTrunk monitoring and ...