This model with a special function, it with the language speaking, (all kinds of lanuage are ok) and has many kinds of functions: 1. English (or other languages) speaking 2. Sound&light arming 3. Silent arming 4. Disarming&re-arming 5. Remote select speech or without 6. Automatic environment recognition 7. Light separately supply-power protect 8. Door reminder(remote selectable) 9. Central control door lock automation 10. Power off memory 11. Sound&light searching 12. Panic 13. Remote trunk releases 14. Remote shut shock triggering 15. Reversing car remind tone 16. Auto rising windows 17. Auto arming(remote select) 18. Side door alert (remote select) Coding: Learning code Votage: 12VCD+-3V Static current: <10mA Indicator current: <10mA Shock sensor current: <5mA Frequency: 315/433MHZ