ITEM NAME:Car LED Daytime Running Light Automatic ON/OFF Controller Module DRL RelayS Tw Features: This Auto Car LED Daytime Running Light Controller can be used to control your car light intelligently Mini shape, light weight and waterproof Fit for all Brand of cars Time-lapse power off function Simple installation, with no need to change any electric line lntelliget start up:when the car is startedï ¼Ë†the voltage must be higher than 13V+ï ¼â€°,the daytime running lights are switched on automatically.When the headlightsï ¼Ë†orreading lightsï ¼â€° are switched on,the daytime running lights are dimmed ï ¼Ë†darkenedï ¼â€°,when the car is switched off ï ¼Ë†the voltage must be lower than 12.5V),the daytime running lights are off after 15 seconds. Specification: Name: Auto Car LED Daytime Running Light Relay Harness DRL Control Dimmer ON/OFF 12V Material: ABS Working current: 5A Wiring Instruction: 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. Package contents: 1* Daytime Running Lights Controller.The red and black wire (the end with a fuse) are connected directly to the car battery + & -. Simple installation, with no need to change any electric line. Mini shape, light weight and waterproof.