electronic hotel room locks

electronic hotel room locksTechnical parameters:ColorSilverRated voltageDC6VCard reading distance0-20mmUndervoltage alarm4.4V +/- 0.2VOperating frequency13.56MHZDoor thickness40-50mmSize246mm*77mm*179mmWeight3500gThe lock coreInternational standard 5 bolt structureApply rangehotels,office buildings,residential buildings,and so onFeatures:1.RLEC series of RF radio frequency card door lock consists of lock, lock management software, card issuers and card.2.The "black box