Evolve, trailing edge, single dimmer switch that controls light levels and sets mood. Intelligent electronic circuit monitors connected load and provides a soft-start with protection against thermal, current and voltage overload. Suitable for dimming LED, dimmable CFLs and traditional lighting. Soft-start brings the lights to a set level in around 1 second and extends lamp life. Silent operation means no noise when dimming, while support for low wattage lamps eliminates flicker. Low profile screwless flat plate that clips on and off. Ideal for modern interiors. Trailing Edge Raised Slim Profile Screwless Faceplate Requires 25mm Back Box Backed-Out Captive Terminal Screws Suitable for Mains & Low Voltage Lighting Overload Protection Trailing Edge Raised Slim Profile Screwless Faceplate Requires 25mm Back Box Backed-Out Captive Terminal Screws Suitable for Mains & Low Voltage Lighting Overload Protection