The switch is used in hotel and other hospitality area, to control power supply of electrical appliance especially illumination in guest room. The room electricity power is available when a matched keycard is inserted into the switch and is off when the keycard is taken out of the switch, in this way to save power.
   
     Available by:
     Siemens 4442 keycard
     Temic T5557 keycard
     Mifare 1 keycard
    
     Working Voltage: AC180V ~ 250V (110V is available)
     Working Curenct: < 100mA
     Electric Current: Maximum 30A
     Working Temperature: - 20C ~ 85C
     Working Humidity: 12~85%RH
     Color: White (Standard)
     Size: 86x86x45mm (35mm installed in wall)
     Delay: 15sec