Switch Panel: 5cm * 2.5cm * 4cmWeight: 34gCable Length: 30cmPanel Color: BlackLine Color: BlueMaterial: Plastic + MetalFunction: for For anti-theft device identify whether the door is closed， if installed door light switch can achieve alarm device automatic arming function and open door flashing function. If you do not install the door light switch， then the car will automatically shut off after the latch， lock the door， so it will be very inconvenient， if the door is equipped with a light switch， it would avoid such a situation.Applicable Models: UniversalPackage Details:2 pcs Door Light Switches as the picture show