This device only support for genuine win10 system, compatible for Windows7/8/8.1/10 system,suitable for desktop, notebook and tablet computers.Fingerprint Encryption and Unlocking: 0.2s fast login,no login password, just a touch of your finger, you can easily and safely log in to your computer, security protection.Effectively prevent leakage and prevent unauthorized access to your PC and improve the security of your PC.One Key Backup: Save encrypted files even if the is moved or the system is reinstalled, it will not be lost.Plug and Play:Standard USB interface.Up to 10 fingerprints can be entered.Bringing security to your work and life.Encrypted files: Share documents, files, pictures, photos, videos, etc. after encryption, and share with friends and colleagues. The recipient needs a password to open and view it.Specification:instructions: Only SUPPORT win10 for genuine in principle. If want to use the non authentic win10, need to create a new local administrator account.Driver installation method: delete the win10 system's own driver, which is as follows: plug the device for at the USB interface of the computer. Right click computer, open the management window, find the focaltech fingerprint reader driver, and then click to uninstall it. Move the mouse Find the biometric device bar.Then move the mouse click on the update driver for At this point, the driver compression package is stored on D disk or E disk and unzipped, then the mouse cursor is moved to browse, and click the left mouse button to find the location of the driver and then click on the next step. After a moment, the fingerprint identification device can for complete the installation of the update driver.Size Chart:Material: ABS plasticLx WxH Size: 27 x 15.2 x 6 mm/1.0 x 0.6 x0.2 inchPackage Includes:1 Piece Mini USB Fingerprint Reader for Dongle