An excellent accessory for performance adjustment of your single-color light, LED daytime running lights, and other 12V LED lamps. Integrated controller with both steady lighting and 4-way flashing strobe effects. Speed or brightness can be changed by simply pressing the button to suit your application. SPEED/BRIGHTNESS button: When the strobe effect is on, press this to change the flash speed; when Steady Brightness is on, press this to change the brightness. Easy installation. Fits most single-color lights, LED daytime running lights, and other 12V LED lamps. Condition: Size: Module box size: 4.39 cm x 1.25 cm x 0.38 cm Color: White Material: plastic Voltage: 5-24V Cable length: 23 cm Wire connection system: Red (+) Black (-) Weight: 10g/pc Package contents: 5 x Wired Control Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.