Features: 100% brand new and high quality Your fingerprint is the key for you to log in quickly by touching our reader. No need to remember username and password. Made of high-quality materials, durable and safe, and can be used for a long time. Fine workmanship, not easy to wear, very practical. Although the design is simple, it is very practical to use. Package Includes: 1x USB Fingerprint Recognition Login Device Specifications: Material:ABS Size:Approx.2.7x4.5cm/1.06x0.59inches Color:Black note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.