100% Brand New.
Stable, no flickering
Low power consumption and energy-saving
Can reduce the times and cost of replacement lamps
Constant voltage and constant current output
Easy to install and simple to use
Brightness Controller For Dimmable Ceiling Downlight,Spotlight, Incandescent Lamp，PAR20 etc.
1 x BERLIM 500W Light Dimmer Switch 1 Gang Brightness Energy Saving Lamp