A. hotel lock System: ONLENSE lock, computer, management software, Encoder, T5557card or Mifare one card, energy saving ... switch A. HOTEL LOCK System ConstructionONLENSE set of locks, computer, management software, Encoder, T5557card or Mifare card, energy saving switch. ... and room control. 2. Password control: System password and operating password together to ensure security.3. Cipher coding to key ...