Features: 100% Brand new and high quality, fit for all Brand of cars. Mini shape,light weight and waterproof. Time-lapse power off function. Simple installation,with no need to change any electric line. Intelligent start up:when the engine is started,the daytime running lights light automatically.when the engine is flameout,the daytime running lights turns off with the delay of 15s. Specifications: Color: Black Material: ABS Size: 3.9 x 2.1 x 1.7cm(L x W x H) Weight: 32g Voltage: 12-18V Working current: 5A time-lapse power off: 15s 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. Package contents: 1 x daytime running lights controller Shock Resistant, waterproof