degree of waterproofing, indoor/IP68 Complete keypad programming for 2000 users, supporting PIN, Card, Card + PIN Capable of functioning as a stand-alone keypad Keys for the backlight Wiegand 26 input for an external reader connection Wiegand 26 output for controller connection Adaptable Door and alarm time Time of day incredibly low power usage (30mA) Quick operation, less than 20 ms with 2000 users Protect against short circuits by locking the output current. Installing and programming is simple. Integrated buzzer LEDs that are red, yellow, and green show the state of operation.