Dell Wired Mouse with Fingerprint Reader - MS819, Arc-shaped, Connectivity Technology: Wired - USB 2.0, Buttons Qty: 3, Movement Detection Technology: Optical, Movement Resolution: 1000 dpi, Cable Length: 1.8 m, Features: Fingerprint reader, Windows Hello, 256-bit AES offers enterprise grade fingerprint encryption on your mouse, keeping your identity safe, Compliant with FIDOi the mouse lets you quickly and securely make online payment with better identity authentication. GS- mark certification further qualifies that the Dell Wired Mouse with Fingerprint Reader is safe, reliable, and of high-quality, Dimensions (WxDxH): 6.5 cm x 11.36 cm x 3.6 cm, Weight: 105 g, 1y warranty