Features: 1. Quality ABS material makes it firm, corrosion resistant and durable to use. 2. Compact and portable styling, it is convenient to carry and store. 3. Smart controller design, which features functions of constant light, dimming, delay and automatic switch. 4. Waterproof design is practical, which has long service life. 5. Easy installation, no need to change electrical line, convenient for using. Specification: Condition: 100% Brand New Item Type: Daytime Running Light Controller Material: ABS Color: As Picture Shown Operating Current: 3A Package List: 1 x Daytime Running Light Controller The Scope of Products: 2. 1 pair of daytime running lights total power not more than 18 W (most of the daily running lights will not exceed the total power) Wiring Instruction: 1. First connect the positive and negative side of the daytime running lights on the left and right, and connect the negative poles first. 2. Connect the red and black wires of the input with fuse on the controller to light the positive and negative poles of the battery, and the red and black terminals of the output to light the positive and negative poles of the daytime running lights. 3. Connect the yellow line on the controller to the positive pole of the headlight (or reading lamp). When the headlight (or reading lamp) is on, the brightness of the daytime running lights will be halved (darkened) to reach the dimming function (yellow line) You can choose not to pick up, that is, give this function, does not affect other applications). Note: .