100 Brand new and high quality Easy and convenient to use Mainly used to adjust the brightness of single color LED lights, such as 335, 3528, 5050, 5630 LED light bars. Control mode: Knob operated Color: Black Quantity: 4pc Output: 1 channel Load current: less than 3A Input voltage: 12V - 24V DC Output: 12V less than 36W, 24V less than 72W Working temperature: -20 to 60 Celsius Dimensions: approx. 66 x 33 x 20 mm Weight: about 160 g Material: plastic Package Contents: 4 x RF 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.