Product Information :Dimmer is a controller that it can adjust brightness infinitely，its control mode is knob-operated control， you could adjust light to the appropriate lighting brightness in accordance with your actual need. Technical parameters ●Type:12V 8A Dimmer● Color: Beige● Working temperature: -20-60 ℃● Supply voltage: DC 12V ●Output: 1 channel●Size:Dimension(L x W x H): Approx. 88 x 60 x 56mm(3.5 x 2.4 x 2.2 inch)● Net weight:8 5 g ● Gross weight: 10g ● Static power consumption: <1 W ● Output current: <8 A ● Max. output: 96 W There is a black knob， just twirl it to adjust the brightness of LED lights Features:10%~100% brightness adjustableEasy to install and simple to useAdjust the light soft and stable， no flickering.PWM digital dimming， avoid rush current， protect your LED lightsMainly use to adjust single color LED light lamps and Led Strip.Constand voltage and constand current output， can be connected with amplifiers to extend its loadPackage:1 X 12V 8A Dimmer