Each user account can set up 10 fingerprints, which can be called multiple accounts to set fingerprints. Each family member uses a separate account to set fingerprints. Automatically log in to their own accounts through fingerprints. The fingerprint device running under the Microsoft WBF biometric architecture judges whether the fingerprint information is a living fingerprint or a duplicate fingerprint, and compares the living fingerprint information to enhance security! 0.2 seconds fast login, bid farewell to tediousness. Plug and play. Small size, easy to carry and store, low power consumption, universal interface, high reliability, simple operation. Type:Fingerprint Reader Quick login:0.2 seconds Colour:Silver Material:metal Package Contents: 1 * USB 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.