Description This item is made of premium material for durable and long-term use. With light reducing and delay function, it is suitable for all vehicle. Easy to install and use. When starting the car engine, LED daytime running lights automatically turn on. Turn off the lights, LED daytime running lights will be delayed for 15 seconds to turn off the lights. Waterproof feature ensures its safety for use. Features - Color: As shown in the picture. - Material: ABS. - Size: 4.50X3.00X1.20cm/1.77X1.18X0.47in - Voltage: 12-24V - Mini shape, light weight and waterproof. - Suitable for all vehicle models. - With light reducing and delay function. - Wiring Instruction: The red and black wire (the end with a fuse) are connected directly to the car battery; The red wire goes to positive pole of the LED daytime running lights, the black wire of the output end is to goes to the negative pole of the daytime running lights. The yellow wire is to connect to the headlights (or dashboard lights), when headlights or dashboard lights are turned on, the brightness of the LED daytime running lights will be halved. - Smart Start: When starting the car engine, LED daytime running lights automatically turn on. Turn off the lights, LED daytime running lights will be delayed for 15 seconds to turn off the lights. - Suitable for LED lights, LED daytime running lights, without breaking the line installation, direct connection to the car battery.Package list: 1 x car light controller