This car alar system is an electyronic products. It creates car security and convenience to bring you more enjoyment. Main Features: 1. Fancy & fashionable remote controller, to be top popular 2. Smart door lock switch design to remind of properly closing/locking the doors & setting anti-theft system 3. Environment-friendly arming/disarming & Arming/disarming with sound & light, to meet different environment 4. Anti-false operating control, Fully automatic rearming 5. Anti-hijacking alarming, Help alarming, Car searching 6. Central door lock automation 7. Code-learning function to replace the lost remote controllers by programmable mode 8. Code hopping tech for anti-copy & anti-scan (optional) 9. Car arming status memory to prevent a thief from stealing the car by destroying the power supply system 10. Code-learning function for replacing your lost remote controller. PACKING WAY: A. Color gift box B. 12PCS/CTN C: N.W: 11.9 KGS/CTN G.W: 13.9 KGS/CTN D: Meas: 54.5cm*54.5cm*28cm/CTN