Hooshion Car LED Controller Daytime Running Light Lamp DRL Auto On/Off Switch Controller 12V for Auto Car Accessories Mini size, light weight and water-resistant. Suitable for all vehicle models. With light reducing and delay function. When you start the car engine, LED daytime running light will automatically turn on. When you turn off the car engine, LED daytime running light will delay off 12 seconds. Working Voltage: 12-18V DC