IP65 GU10 Square Decorative Glass Downlight - Clear Glass, Chrome Rim. GU10 50W max lamp (not supplied with fitting - see product code GU10 or GU10L. Dimmable. Cut-out 65mm. Electrical termination via 15A connector block within secure enclosure. C/W cord grip. L & W 90mm, recessed depth 75mm, dome lens diameter 65mm (8mm toughened glass dome cover). Spring clip fixings with a recommended maximum ceiling thickness of 15mm. 100mm recommended ceiling void required. Earth terminal provided. Can be used with GU10 compact fluorescent lamps (not supplied with fitting - product codes GU1011W (11W) or GU1013W (13W). Not dimmable when fitted with a compact fluorescent lamp.