Normal : When the anti-theft state is released, step on and hold the brake pedal, short press button , the system will automatically within 0.5 seconds, and the indicator light will be on after starting. Flameout: step on and hold the brake pedal, short press button , the system will automatically out, and the indicator light will be off after flameout. Long press to : If it is not easy to in winter or the engine is not in good condition, you can step on and hold the brake pedal and press the button. Do not release the button until car engine normally starts. Short press ON/OFF mode to switch: do not step on the brake, short press the button , then the first mode of is turned on, press the button again, and the second mode is turned on. Press again to turn off the output. The above operations support manual operations. Full-featured anti-theft: if you are 1.5-2 from car, when you approach the door, it will automatically unlock, unlock anti-theft; when you leave the door, it will automatically lock and illegally step on the car alarm is activated. Engine stop size 5cm Working Voltage +12v+3V Working Current 6mA Remote control frequency 433MHZ Receive frequency 433MHZ Fit For 12V battery car, van, pickup truck, SUV, etc. Material:ABS colour:black Package Contents: 1 x 2 x keys 1 x button 5 x wire harness 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.