RF Hotel card lock,It can be connect to the computer,with perfect management function,such as record,update automatical. RF Hotel card lock. The main functions are as follows: 1.Card-reading ways: RF Card,contactless2.Power supply:4 pcs NO.5 alkaline battery3.Static power consumption:less than 10A4.Dynamic power consumption:about 200mA5.Working temperature:-20~50 °C6.Relative humidity:less than ...