1 gang wall doorbell switch Materials: pc,pa6,brass,copper OEM service offered Sale well ... ! Model LI21lDescription 1 gang wall doorbell switchMaterialPC, PA6, brass,copperLife time 40000TMax current10AMax volatage 250VAdvantage1.Specializing in switch and stockets for eight ... CO., LTD, We are specializing in the production of wall switch & socket. We sincerely hope that we can build up cooperation ...