1. 2 gang 2way control switch' 2.Shell is the main material ABS 3.copper fittings 4.plastic is the middle of ABS, 1. 2 ... gang 2 way control switch2.Shell is the main material ABS3.copper ... years (under normal circumstances)CE,ROHS Our company manufactures wall switch ,socket,adaptor,plug and other electrical appliance,with European style ...