Dahua 2.8" LCD Touch Screen Standalone Access Control (DHI-ASI1212F) - Main Processor: Embedded processor, Display: 2.8 inch TFT touch screen, Resolution: 240(H)×320(V), Card Type: IC card, Card Reading Distance: 1 cm–3 cm (0.03 ft–0.10 ft), Fingerprint Sensor Type: Optical fingerprint, Port: 1 x RS-485, Wiegand: 1 x (input or output), USB: 1 USB2.0 port, Network: One 10/100 Mbps self-adaptive network port, 1x Alarm Input, 1 x Alarm Output, Alarm Linkage, 1 x Unlock Button, 1 x Door Status Detection, 1 x Lock Control