Built-in Mifare one(13.56 MHz) read-write module · Fingerprint sensor: ZK Optical Sensor with strengthen film · Resolution: 500DPI · Image size: 15.4mm*18.0mm · Interface: USB 1.1, compatible with USB 1.0,1.1,2.0 full speed · Registration speed: <0.5 sec · Operating Temperature: 0° - 40° C