1Noncontact RFID access controller, adopt metal material, sturdy and durable, backlight keyboard, convenient for night operation. 2Supports reading 13.56MHZ for Mifare card. Standrad Wiegand 26 input/output, wide compatibility. 3With card, password, card + password 3 ways to open the door. Large capacity can support up to 2000 users. 4Using an independent password not related to the card to open the door, and the user can modify the password. 5Supports deleting the card number with the keyboard after the card lost. Support antidisassembly alarm when illegal disassembly occurs. 6When the electric lock or alarm output is shortcircuited, the output will be automatically turned off within 100 microseconds. 7Builtin for Atmel microprocessor, strong antiinterference ability. Widely used in highend office buildings, residential quarters and other public places.