DECORATIVE QUADRUPLE DIMMER SWITCH WITH RAISED PROFILE FROM THE BG NEXUS METAL RANGE: Slim, raised profile with softly rounded corners in brushed steel, with colour matching fixing screws for a super-stylish design INTELLIGENT TRAILING-EDGE DIMMER: Trailing (lagging) edge for dimming LED, dimmable CFLs and traditional lights – smooth operation of your lighting with no buzzing. Soft-start brings the lights to a set level quickly, extending the lifespan of bulbs INTEGRATED MOISTURE GASKET CONTROL: Protects the metal edges from tarnishing. Ideal when using new plaster. No visible plastic around the dimmer. 2 way switching allows for a second switch position in a circuit. Minimum mounting box: 25mm OVERLOAD PROTECTION PREVENTS FAILURE: If you mistakenly connect your dimmer to too many lights or transformers, it will turn the lights down or off until the load is corrected. Clearly marked terminals for easy installation BG ELECTRICAL 25 YEARS MANUFACTURER'S WARRANTY: They guarantee against faulty materials and workmanship for 25 years – giving you total peace of mind, Weight: 0.5732018812 pounds, Manufacturer: BG Electrical