Simple operation: the LED light bar dimmer switch is controlled by a knob. Just turn the knob to adjust the brightness or turn on or off the light, turn the knob to the right, the light will gradually brighten, and turn the knob to the left, the light will gradually .[No flicker or current movement] PWM digital dimming technology: 0 percent -100 percent dimming, no flicker under low brightness, no rapid changes, linear and . Working temperature: -20-60Concealable and easy to install: The small, unobvious unit with dimensions of 65 x 33 x 32 mm can be concealed. It is also easy to install using mounting clips.Widely used: LED dimmer controller for single color 3528, 5050, 5630, 5730, 3014 LED light bar, LED light barNote: Do not the current capacity: the working voltage is DC 12V-24V, the power is 72W-144W, and the single channel working current is less than 6A. The maximum control distance is 10m. Be to keep it within specifications.output current: less than 6Acolour: blackMaterial: metal and plasticPackage Contents:1 x light dimmerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.