... °C, humidity less than 98%Antistatic: + (-) 15KVOptional function:1. Sauna lock function: to avoid missing list, Guest cards must be ... keys loses their effectiveness and need reissue cards).2. Sauna lock special function: except for Guest card, other cards ... schools, hotels, supermarket lockers, filing cabinets, deposit cabinets, drawers, sauna cabinets, bath cabinets, changing room, bank loan, safe...