A single door multifunction standalone access controller or a Wiegand output keypad/card reader suitable for an area requiring stricter access control such as a laboratory, warehouse, bank, or prison. The unit is suitable for mounting indoor or outdoor in harsh environments. It's housed in a sturdy IP65 vandal proof zinc alloy electroplated case that can mounted to a wall with minimal drilling. Up to 2,000 users are supported in either a card, a 4-8 digit PIN, or a card + PIN option and the inbuilt card reader supports EM, 125KHz frequency cards. Red/Yellow/Green LEDs will indicate working status of the device. Full installation instructions and wiring diagrams featured in manual. Features: Waterproof 2000 users Backlit keypad LED indicator (Green/Yellow/Red) Wiegand 26 input/output for the connection of an external reader Adjustable door output time, alarm time and door open time Built in light de Width : 82.0mm Height : 128.0mm Depth : 28.0mm DC Voltage : 9.0V, 18.0V Number of Buttons : 12.0 Number of Users : 2000.0