LCD 2.4-inch TFT, Fingerprint Capacity: 1,500, Records Capacity: 80,000, Card Capacity (Optional): 5,000 (RFID/Mifare) Communication: TCP/IP, RS485, USB Host, Access Control Interface: Electric lock, Door sensor, Alarm, Exit button, Doorbell, Wiegand input & output, Power Supply: DC 12V/3A, Dimension90 x 90 x 34.5mm (W x L x H), Optional : ID / Mifare Card