1.Card capacity: 500 users
2.Personal password: 500 sets
4.Working current: 90mA
5.Opening Mode: password, card+password, card+card, password+password.
6.EM card reader inside, reading distance: 65mm
7.Code keypad inside for 4 number password input
8.Ring control and alarm for preventing picking lock inside
9.Optional accessory: Ring and alarm assistance relay output