... Name: K500 Series --- 1-gang large button door bell with switch Specifications: 1) Types: 1 gang to 4 gang Wall switch ,Doorbell swtich, Fan speed controller ... socket,TEL socket, LAN socket,shaveing socket 2) Voltage: 110-250V, 10A, 13A,15A,16A, 20A, 30A,45A 3) Materials: Imported PC ...