With dimming and delay function [Product name]: New intelligent LED daytime running light controller [Product Description]: [Product voltage] : 12-18V [Working current]: 5A [Product size]: micro 1.7 * 2.1 * 3.9CM [Product features]: The product is small and light. Waterproof. Suitable for all models. With dimming delay function!! [Use wiring mode]: The wiring of this product cannot be described as so simple. There is no need to change any line, reducing the trouble of finding the ACC line wiring. The input end (the end with fuse is the input end) is directly connected to the car battery with red wire and black wire. The red wire of the output terminal is connected to the positive pole of the LED daytime running lamp, and the black wire is connected to the negative pole of the daytime running lamp. The white line is connected to the headlamp (or instrument lamp). When the headlamp or instrument lamp is turned on, the brightness of the LED daytime running lamp will be reduced by half. [Intelligent start]: When the car engine is started, the LED daytime running light will be on automatically. When the ignition is off, the LED daytime running light will be turned off 15 seconds later. [Product function]: This product is applicable to LED lights and LED daytime running lights. Connecting this type of line group can realize the installation without broken wires. It is directly connected to the car battery. The light will automatically light up when the car starts, and it will go out 15 seconds when the car stops, which is good for lighting the car owners to go home!