Small size. Excellent image quality. Encrypted image data. Refused to subtle fingerprints. Support dry, wet, or rough fingerprints, and provide driver support for multiple programming languages including CB, VB, VC, Delphi, PB8, VBdemo, VFP. · Fingerprint sensor: Optical Sensor with strengthen film · Resolution: 500DPI/256 grayscale(8-bit) · Scan size: 15.24*20.32mm(FAP20) · Image size: 300*400 · Interface: USB1.1, compatible with USB1.0,1.1,2.0 · Registration speed: <0.5 sec · Registration angle: 360°C · Operating Temperature: -20°C - 50° C · Operating Humidity: 0-90% · Operating System: WINDOWS7/8/10/XP/VISTA(32/64BIT) We offer Linux(32/64bit)/android/IOS · USB cable length: 180 CM · Dimension (L*W*H): 124.5mm*102mm*34mm · Power Supply: 5.0V +/- 0.25V ( USB interface power) · Current : Capture fingerprint: max 250 mA · Idle mode : max 25 mA · Suspend mode : <0.5 mA · Size:49*49*18mm(L*W*H) Color: As Shown Material: plastic Package Contents: 1*Fingerprint Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.