... offer you whole lock system for hotel use. Include the software and hardware, card etc. RF card lock System:ONLENSE ... hotel lock, computer, lock software, Encoder, T5557card or Mifare-1 card, energy saving switchA. ... System ConstructionONLENSE set of locks, computer, management software, Encoder, T5557card or Mifare-1 card, energy saving switch B ...