The vehicle can be easily controlled without the original remote via professional equipment matching and the connection between smart phone and Bluetooth module of D39T car alarm main unit. This system could achieve many functions, such as arming, disarming, silent arming, car finding, trunk release and also offer similar PKE function. You can also use the shake to unlock. The main unit programming options can be operated easily through the UI. Our goal is to make it easier for you to use the alarm.