Black Nickel - SF8900BN "ML Knightsbridge's black nickel screwless SF8900BN wiring accessories feature a screwless slim plate design with just a 4.3mm projection. The range all feature matching metal rockers and an integral gasket to prevent moisture transfer between the wall and plate. The entire range is constructed from premium grade components. Features • 115/230VAC 20VA • IP41 • Dual Voltage Shaver Socket • Screwless low profile design with built in gasket. • Certified to EN 61558 • Minimum mounting box depth"