1Wide Usages: Immobilizer is universal for any Dc 24V vehicle and match with the car alarm system which has remote, such as Car Truck Bus Rv and so on, easy to install and hide well in the vehicle, not affect aesthetics. 2Multiple Function: The car immobilizer with sound alarm mode and anti hijacking function (default), emergency release mode, transmitter low battery detection, restore factory setting. 3High Sensitivity: Professional engine immobilization with inductive range of 2?8 meters, 2.4Ghz radio frequency. With code learning mode which can memorize up to 3 smart keys. 4Anti Theft Function: When the system installed in the vehicle does not detect the proximity card, if the door is forcibly opened, the vehicle will not be able to start, more securer to use. 5Anti Hijacking Function: When the vehicle is running, you can take the proximity card to leave the vehicle, and the vehicle will automatically turn off after 1 minute, highly intelligent.