1.Metal case, backlit keypad
2.Waterproof,conforms to IP66
3.One relay, 1000 users (990 Normal Users + 10 Visitor Users)
4.3 access modes: Card, PIN, Card + PIN
5.Card type: 125KHz EM card
6.PIN length: 4~6 digits
7.Anti-tamper alarm
8.With Doorbell for visitors