energy saving key card switch for hotel

  Save energy  in your hotel with the keycard of your guests. The keycard can be used to turn on a specific main group or to switch off a specific main group (for example the lights) in the hotel room and/or meeting room. After opening the door of the hotel room, the guest puts the keycard in the Energy Saver, after which the lights will go on and the air conditioning starts working.  When the guest leaves the room and takes the keycard out, the lights will be turned off automatically after 40 seconds as well as the air conditioning.               Feature   Specially designed for installation in European boxes and China boxes  Internal LED to easily find the Energy Saver when lights are off High quality ABS material (fireproof) Max. Working Current: 30A Max. Load Power :  5000W Working Voltage: AC 220-250V 50Hz. Warranty:2 year