The wilson range is a slimline bulkhead,available with 28 watt electronic control gear.White base and opal diffuser is supplied as standard with 3HR emergency back-up models available from stock.Can be wall or ceiling mounted,making the Wilson range extremely versatile.Fitting comes complete with lamp. IP40 RATED. DIFFUSER - POLCARBONATE BASE - POWDER COATED STEEL. DIMENSIONS - 435MM X 110MM.