Trailing edge dimmer switch suitable for anywhere that requires a variable light level for LED, halogen, CFL or incandescent lamps. With an extremely thin plate (under 5mm thick from wall to face), flat profile, rounded edges, and stylish brushed steel finish.Smooth control with no noise while dimming, and accounts for lower-wattage lamps to eliminate flickering. BG’s soft start technology, bringing lamps to a set level of light in the space of a second. These light switches have a Clip On, Clip Off front plate that is secure and easy to use, and they will readily fit into existing mounting boxes (25mm minimum box depth required). •Secure Screwless front•Easy "clip on/off" plate•Push On/Off rotary dimmer switch.•Minimum back box depth: 35mm•Maximum LED Load: 5-100 Watts•Compatible with trailing edge lamps and BG Luceco lamps•Sleek, flat profile•Angled in-line colour coded captive terminals.•Suitable for tungsten lamps, low voltage transformers & mains GU10 halogen.