GeoVision GV-GF1922

GeoVision - Fingerprint Reader, Three Types of Access Modes: Card Only, Fingerprint Only and Card Plus Fingerprint, Support for GV-Proximity Cards with GID (GeoVision Identifier) to Enhance Security, Optical Sensor, 20 x 17mm Sensing Area, 1,900 Fingerprints Stored, DC 30V/0.3A.