What is this?The LED strip dimmer is a knob-operated control. Just turn the knob to adjust the brightness or simply turn the light on/off. LED dimming controllers are widely used in LED strips, LED strips, and LED rope lights.What will I get?Product Name: LED Rotary DimmerConnector Type: ScrewColor: BlackMaterial: Metal, PlasticOutput Current: <30AOperating Voltage: DC 12-24VOutput Power: 12V<360W, 24V<720WSize: 85x63x20mm/3.35x2.48x0.79 inch(L*W*H)Package Content: 1 x LED Rotary Dimmer (Terminal with protective cover)Are there any advantages of the product?Knob operation controls 0% - 100% dimming, no flicker at low brightness, no rapid changes, avoiding visual impact on eyes caused by instantaneous changes in brightness.How to use it?Screw-in input and output terminals are easy to install. By controlling the voltage and current output, the brightness of the lamp can be changed.What should I notice?Not suitable for multi-color mixing LED lighting.Please turn off the power before installation to prevent electric shock. Also, please attention that this is not applicable for LED lights with the modes feature.