The 2N 916116 Access Unit M Touch Keypad & RFID is great for projects with two-factor authentication. During working hours employees swipe their RFID cards. Outside these hours employees must also enter a PIN code. The reader is also great for scenarios when you generate one-off access codes for visitors. The keypad is backlit so you can install it in dark places. The 2N Access Unit M Touch Keypad & RFID can read cards with frequencies of 125 kHz and 13.56 MHz.