Key Card Switch 20AmpsThis standard range Tronic Key card switch in white, is slim, has smooth edges, it has a shiny surface and fits into the modern style of ones home or office. Key card systems operate by physically moving tenants in the locking mechanism with the insertion of the card. The key card uses a magnetic stripe that contains information that grants access to a particular hotel room. Additional Information Colour White Amp 20A Voltage AC 220 240 Item