1.support multiusers access, 2.support standalone work, 3.For RFID 4.Built-in relay contac BTS-SCR100 RFID Access ControllerFeature:1. RFID capacity: 30000,2. ... 1:N;5. Access Control : 50 Time Zone ,5 Groups, 10 Combination, Holiday Management,6. support multiusers access,support standalone work;7. Electric ... the functions of waterproof and dustproof . RS232/485 TCP/IP RFID Access Control BTS-SCR100