Description: Optical fingerprint scanning technology guarantees superior image quality and product reliability. High-performance, maintenance-free optical fingerprint sensor. Upload fingerprint images to a personal computer via USB port. Removable weighted stand and high speed USB interface. Applications for desktop PC security, mobile PCs, custom applications, home and office use. Available SDK for secondary development. Specification: Material: Plastic Color: Black Size: Approx. 79.8x49x65.5mm / 3.14x1.93x2.58inch Pixel resolution: 500 dpi Supply Voltage: 5.0V +/- .25V supplied by USB Supply Current scanning: 170 mA (type.) Supply Current idle mode: 120 mA (type.) Supply Current suspend mode: 2 mA (max.) ESD Susceptibility: >15 KV Image data: 8-bit grayscale Temperature, Operating: 5- 35C Humidity, Operating: 20 Percent - 80 percent non-condensing Temperature, Storage: -10- 60C Humidity, Storage: 20Percent - 90Percent non-condensing Standards Compliance: FCC Class B, CE, VCCI Package Includes: 1 Piece USB Fingerprint Sensor 1 Piece Driver CD Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.