Specifications: 1) Multi-band (850MHz, 900MHz, 1800MHz) 2) GSM cell phone carrier 3) Friendly human voice instruction 4) Hopping code 5) Arm/disarm by phone, and remote control 6) Two-stage shock alarm modes 7) False alarm trigger prevention 8) Alarms wit 9) SMS order control 10) Will call up 3 alarm phone numbers when there is an alarm. 11) Anti-hijacking 12) Override switch 13) Remote engine start/stop 14) Sensitivity of shock sensor adjustable 15) Checking system status by telephone 16) Status LED indicators 17) Trigger alarming (opening the door and engine start) 18) Shocking alarming 19) Power off alarming 20) Bonnet open alarming 21) Trunk open alarming 22) Alarm memory recall 23) Parking reminder 24) Remote trunk release 25) Automatic central locking system 26) Power speaker 27) Power window output 28) Remote sound monitoring 29) Compatible with any cars 30) GSM car locating and seeking (optional and extra cost) Functions: 1) Remote control: a) Arm/disarm b) Lock/unlock c) Car finding d) Trunk release e) Emergency help f) Enable/disable shock sensor (optional) g) Disable siren temporarily h) Start/stop engine 2) Phone: a) Arm/disarm b) Lock/unlock c) Enable/disable shock sensor d) Activate/deactivate immobilizer e) Activate/deactivate alarm phone numbers f) Open power window g) Check the status o h) Broadcast to the driver i) Listen j) Remote start/stop engine k) Control the car by SMS Technical specifications: 1) Temperature: -2 ~ +65°C 2) Control distance: 20m-100m 3) Remote frequency: 315-316MHz 4) Size of the mainframe: 123 x 116 x 38mm