The Trendi Switch LED dimmer has been tested from 0-10 LEDs with a maximum of 100W of LED bulbs in total. You must ensure that you have dimmable LED light bulbs for use with this dimmer. Product Description: 1-Gang 2-Way Push-On/Off Rotary LED Dimmer 1 x 5-120W Insert/Knob Colour: Chrome Knob Dimensions: 89x89x48mm Faceplate Depth: 8mm Product Weight: 100g Recommended Back Box Depth: 25mm Operating Voltage: 220/250V AC Maximum Load Rating: LED; 120W Terminal (Live) Diameter: 3.2mm; Capacity: 3 x 1.5mm� Terminal (Earth) Diameter: 3.3mm; Capacity: 3 x 1.5mm� PRODUCT FEATURES: Ideal for LED lighting Screwless faceplate - Back and Front Plates included Chrome light switch - #definedbydesign WARRANTY: 5 Years - British Made, Certified & Tested Intended Applications: Indoor Use Only. Domestic lighting circuits including many dimmable LEDs. Safety Advice: Not suitable for use with non-dimmable fluorescent bulbs and tubes, wire-wound or toroidal transformers, TRIAC dimmable loads or electric motors. Do not overload. Applicable Safety Standard: BS EN 60669-2-17.