Rotary control LED dimmer unit for use on 12v or 24v DC systems.

Only suitable for flexible LED strip lights.  Smooth dimming to the LED's from o to 100%, and can be used to turn the lights on or off.   
Maximm output current 8A.
 
Dimensions -
89mm high x 60mm wide x 35mm deep
Depth including the knob is 53mm