Wireless Car Alarm System: different from the normal car alarm, this car alarm system doesn't have main unit box, doesn't have many cables, no need cut any origianl car cables, no damage to original car circuit, the shock sensor and the air pressure sensor are wireless to siren. 5 minutes to DIY Install: just need connect the siren black / red cable to car battery positive and negative port, then connect the high frequency antenna to siren connector, find a location and fix siren around the wiper, installation done! Don't like the normal car alarm, no need send to the car service shop for professional install, cost effective. Built in air pressure sensor, when detect car door/window/trunk open illegally, the siren will alarm, and notify to LCD remote control; built in vibration/motion sensor, when detect car vibration or motion, the siren will alarm and notify to LCD remote control also.
The high frequency antenna ensure the car alarm system can be valid for 1000 meters.