... used to homes & office 3. Stainless steel shell RFID Card Hotel Locks, ES3810-BT Specification:·Europen style, ... Super low power consumption for long working life. ·User RFID card, proximity, convenient for management. ·Microwave sensor, no ... to +70CWorking Humidity10% to 90% RHCard TypeEM RFID CardReading Range>2cmTransaction Capacity255 transactionsUser Capacity255 usersMaterialFine casting stainless ...