1. Easy to install, it will automatically flash when your key is removed from the vehicle. 2. Hardly use any power supply, so it won't affect your battery, less than 30 mAh. 3. Can be used in cars, boats, motor homes, motorcycles, home security or any other place where 9 to 14 volts can be connected. 4. This machine does not require a car alarm and can be installed in a few minutes. 5. High standard, can directly replace old or broken. Function:Burglar alarm Applicable models :General Colour:black Material:Plastic+LED+Metal Package Contents: 2 * Motorcycle Light Only the above package content, other products are not included. Note: Light shooting 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.