... users,Color Screen 2.Identification speed <0.5 3.Proximity Rfid reader,inbiult battery 4.TCP/IP,RS485,and usb TD800 ... Relay and simple access controlEmployee authentication methods: ID,Rfid card, ID + Passwordt, , Rfid+ID+PasswordFast Identificaton speed in less than 0.5 ... cost Support multiple display and software languageApplication Dragram TD800 reader rfid