Normal start: When the anti-theft state is released, press and hold the brake pedal, then briefly press the start button once. The system will automatically start within 0.5 seconds, and the indicator light will turn on after startup. Flameout: Press and hold the brake pedal, then briefly press the start button once. The system will automatically shut down, and the indicator light will turn off after shutdown. Long press to start: If the engine is difficult to start in cold weather or is not in optimal condition, press and hold the brake pedal and keep pressing the start button until the engine starts normally. Short press ACC ON/OFF mode switching: Without pressing the brake pedal, briefly press the start button once to activate the first ACC mode. Press again to enter the second mode. Press once more to turn off the output. This operation supports continuous cycling. Full-featured anti-theft function: When you are 1.5–2 meters away from the vehicle, the door will automatically unlock as you approach and lock when you walk away. Theft alarm will be triggered if unauthorized access is detected. Engine start stop module size: 5cm Working voltage: +12V ±3V Working current: 6mA Remote control frequency: 433MHz Receiving frequency: 433MHz Compatible with 12V battery vehicles including cars, vans, pickup trucks, SUVs, etc. Material: ABS Color: Black Package Contents: 1 x Host unit 2 x Remote keys 1 x Start button 5 x Wire harnesses 1 x English manual Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color differences may occur due to lighting and display variations. Measurement error allowance is +/- 1-3 cm.