Description: Brand new and high quality 2000 users, Supports Card, PIN, Card + PIN Waterproof, conforms to IP68. Built-in buzzer. Backlight keys. Can be used as a stand alone keypad. Easy to install and program Specification: Material: Metal Size: Approx. 133x58x20mm/5.24x2.28x0.79inch User Capacity: 2000 Working frequency: 125?Khz? Operating Voltage: DC 12V-DC 24V Wiegand Interface: Wiegand 26 bit/34 bit Package Includes: 1 Piece Metal Access Control 2 Piece User Manual 2 Piece Expansion Tube 2 Piece Screw 1 Piece Diode Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item