Hamilton Hartland LED Trailing/Leading Edge Push On/Of Rotary Multi-Way Dimmer Switch with satin steel finish is designed to control mains dimmable LED lamps or luminaires. When using mains LED lamps or luminaires fitted with external drivers that require a leading edge control, the dimmer should be de-rated by 25% to allow for possible inherent in-rush current which can be experienced with some lamps and can cause the dimmer to overheat. This device monitors and programs itself for best performance depending on the LED lamp used, making it compatible with a wide variety of branded lamp types. The LEDstat dimmer is available in a wide selection of Hamilton’s range of styles and finishes.