The Knightsbridge CU2163 Curved Edge dimmer switch features a modern, gently contoured 7mm profile with softly rounded edges and anti-microbial properties. This 3-gang, 2-way dimmer is designed for leading-edge operation and is suitable for incandescent lamps (0-400W) and LED lamps (3-100W). It boasts a sleek white plastic finish and screw covers for a clean look. The unit is IP20 rated and manufactured from urea to BS EN 60669 standards. Dimensions are 146 x 86 x 7mm (W x H x D). Please ensure lamp compatibility before use.