... for the cabinet,single card and dual card two modes for opening the door, manage card, service card and guest card total fifteen cards ... Warning voltage:<5V(working)Static current:<25uA Danymic current:<220mA Card life:more than 100000000timesWorking temperture:-15°C—65°C ... locker,enterprise,school,hotel, supermarket storage cabient,etc Wristband tag card locks for sauna bath center,swimming pool etc