RFID passive induction car anti-theft function One-button start, one-button flameout Unique foot brake detection function to prevent accidentally starting the vehicle The system automatically locks the engine and cannot start the vehicle after of flameout Independently turn on ACC or ON power for listening to music, etc. Long press the start button, the motor start time is up to 3 seconds (applicable to start vehicles in different vehicles and different climates) Adopt RFID technology, no need for battery power forever, prevent air interception and decoding more effectively Static working current Less than or equal to 25mA, no longer worry about loss of car battery power colour:black material:ABS Package Contents: 1 set x car anti-theft alarm system Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.