Simple operation: the LED light bar dimmer switch is controlled by a knob. Just turn the knob to adjust the brightness or turn on/off the light, turn the knob to the right, the light gradually brighten, and turn the knob to the left, the light gradually dim. [No flicker or current movement] PWM digital dimming technology: 0%-100% dimming, no flicker under low brightness, no rapid changes, very linear and smooth settings. Working temperature: -20~60℃ Concealable and easy to install: The small, unobvious unit with dimensions of 65 x 33 x 32 mm can be easily 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 bar Note: Do not exceed 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 sure to keep it within its specifications. output current: less than 6A colour: black Material: metal + plastic Package Contents: 2 x LED strip light dimmer Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.