DRL Controller Car Auto LED Daytime Running Light Relay Harness DimmerOn/Off 12-18V Fog Light Controller Features: - 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 - Fit for all Brand of cars Specifications: Colour: Black Material: ABS Voltage: 12-18V Working current: 5A Power off delay time: 15 seconds Product size: 39 x 21 x 17mm/1.54 x 0.83 x 0.67" Wiring Instructions: 1. The red and black wire (the end with a fuse) are connected directly to the car battery + & - . 2. 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. 3. The white 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.