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.B. Multiple ... : Working clock is set inside locks to control the effective time limit of card keys.6. File record: All issued card ...