and high quality,Mini shape,light weight and waterproof Fit for all of , Time-lapse off function Constant light + dimming + delay + automatic switch Simple installation,with no need to change any electric line Intelligent up: When the car is started (the voltage must be higher than 13V+), the daytime running light is automatically turned on. When the headlights (or reading lights) are turned on, the daytime running lights are dimmed (darkened), when the car is turned off (the voltage must be lower than 12.5V) , the daytime running light is off after 15 seconds! Name:Daytime Running Lights Controller Item Type: Day Light Interface Type: None For Vehicle /: Universal Item : DRL Controller Wattage: DRL Controller Voltage: 12-18V Working current: 3A Time-Lapse Off: 15s Note: After the battery is connected, the daytime running light will turn on for about 15 seconds and then turn off the light. This is a normal phenomenon (realizing the delay function). After , you need to the car. When the voltage reaches 13V+, it will working! The Scope of Products: 1. The starting voltage is 13V+, and the flameout voltage is lower than 12.5V (if it is higher than this value, it will be extended for a few minutes until the voltage drops.) 2. 1 pair of daytime running lights does not exceed 18W ( of the daily running lights will not exceed the ) Wiring Instruction: 1. First the positive and negative side of the daytime running lights on the left and right sides, and the negative poles first. Colour:As shown Material:plastic Package Contents: 1 * Daytime Running Lights Controller Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.