CARD ACCESS sa31-e SA31-E Card strorage : 1000 Users Card type : EM(ID) card Access by : Only Card Support : Exit Button sa32-e SA31-E Card strorage : 1000 Users Card type : EM(ID) card Access by : Card, Pin Support : Bell & Exit Button sa33-e SA33-E Card strorage : 1000 Users Card type : EM(ID) card Access by : Card, Pin Support : Wiegand Reader & Exit Button, Bell, Touch Keypad With backlight