Description:* 100% brand new and high quality.* Made of high quality material, durable and practical to use.* DC 12v/24v 30a led dimmer switch controller for led strip single color black * Easy to install and simple to use * Adjust light soft and stable, no flicker.* PWM digital dimming, avoid rush current, protect LED lights * Mainly for adjusting single color LED lamp and Led strip light.* Constant voltage and constant current output can be connected with amplifiers, to extend its load. Specification:Type: DC 12V-24 30A Dimmer Input: DC12-24V Output: 1 Channel 360W 12-24V (0-30A)Static Power Consumption: 1W There is a black knob, just turn it to adjust the brightness of the LEDsOlor: Black Working Temperature: -20 - 60 cPackage Included:1*12-24V 30A DimmerNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.