2-door biometric controller. Supports 4 Wiegand readers and 4 RS-485 readers. TCP / IP and RS-485 communication. Up to 6 inputs: 2 request-to-exit buttons, 2 door sensors, 2 auxiliary inputs. Up to 4 outputs: 2 relays for locks, 2 auxiliary relays. Wiegand and RS-485 input for FR1200 and FR1500 series readers. Stores up to 3,000 fingerprints (optionally 20,000), 30,000 cards and 100,000 events. 26-bit Wiegand compatible readers and RS485 FR series readers. Compatible with ZKBioaccess program. Power supply: 9.6 to 14.4 Vdc. Operating temperature: 0 to 45ºC.