... fingerprint identification, built in rifd card reader ,burglaralarm, time group and zone, door sensor functions and inbuilt battery ... for Each Employees1---10Authentication Mode1:N , 1:1Identification Time<0.5Communication interfaceTCP/IP ,RS485,USB Pen DriverTime Group ... rfid card readerAccess controlWeigand26/34,relayBellBuilt in 10 Groups Time Bell AlarmGive alarm when distroying it, illegally open ...