No Driver Needed: Works right out of the box, provides instant access for Windows computers. Tasks such as login, sign in or unlock can be accomplished with a Press of a finger, no need to remember usernames and passwordsUp to 5 Fingerprint Registration: Allow family members, close friends, or colleagues to gain access to a single computer. 360Livello all direction fingerprint registering for better accuracy and faster response.Paralleled Software Support: With Smart ID Encryption, encrypting your files has never been so easy. You can specify a folder as an encrypted zone, once a file is copied into the folder, it'll automatically be encrypted.Gets Smarter Over Time: With each fingerprint registry, the scanned data is added to the profile of the enrolled finger. So, the more you use it, the more accurate it gets. Allowing faster access.All You Need in a Nano Formfactor: Small and lightweight, takes up no space. Drop it in your pocket and you wouldn't even notice a thing.Specification: Store Up to 5 individual fingerprintsNote: Not compatible with OS or Chrome OSsize:20.6 x 17 x 12 mmMaterial:metalcolour:SilverPackage Contents:2 x Nano USB Fingerprint ReaderOnly the above package content, other products are not included.Note: Light 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. 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. Sold by-Minnanxin