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 dependent resistor for anti-tampering Built in buzzer Specifications: Voltage: 9-18VAC / 12-24VDC Keypad: 12 keys, 3 x 4 digits Card Type: EM 125KHz Card Reading Distance: 3-6cm Active current: Operating Temperature: -20-60 degrees celcius Adjustable Door Relay time: 99 seconds Adjustable Alarm Time: 0-3 minutes Weigand Interface: Wiegand 26 bit Wiring Connection: Electric Lock, Exit Button, DORL, External Alarm