This function with a special function: Remote engine start And with many functions: 1. Ermote engine start 2. Auto turn on the air conditioner 3. Auto detcet engine-start situation 4. Remote arming/disarming 5. Silent arming 6. Auto arming/rearming 7. Automatic door lock/unlock 8. Ignition/starter disable 9. Emergency override 10. LED status indicator 11. Intrusion alert memory 12. Side door alert 13. Car finding&anti-hijacking 14. Remote trunk release 15. The mode of start is optional 16. Auto arming Coding: Learning code Votage: 12VCD+-3V Static current: <10mA Indicator current: <10mA Shock sensor current: <5mA Frequency: 315/433MHZ