Recessed porcelain retro double switch I series switch I from the switch series PR1 black ALL-IN-ONE - Porcelain Frame I Porcelain Cover I Installation Insert Porcellan - housing and insert of high frequency porcelain I glazed fine porcelain surface Connection: double switch, series switch, 2-way, 2-way Technology: 250 V, 50 Hz, 10 A Mounting: screw connection on switch box, device box, screw distance 60 mm Dimensions: housing 100 mm, installation depth 11.3 mm, installation height 25.5 mm Not