... Product Name: K500 Series --- 1-gang large button door bell with switch Specifications: 1) Types: 1 gang to ... controller, Dimmer, 20A /30A/45A D/P switch with neno, south and light control /touch time delay switch ... , 2 pin socket, 3 Square pin / 3 round pin socket, Euro type socket, American ... 110-250V, 10A, 13A,15A,16A, 20A, 30A,45A 3) Materials: Imported PC, PC, ABS, PC+ABS 4) ...