About Windows hello: Windows Hello is the password-free sign-in that gives you the fastest, most secure way to unlock your Windows devices. Specification:IR Camera resolution: 640 x360 IR Camera Max Image Transfer Rate: Max Image Transfer Rate 100fps@640x360 RGB Camera resolution: 1920X1080 RGB Camera Max Image Transfer Rate: Max Image Transfer Rate 30fps@1920X1080 Camera resolution (maximum): 1920X1080/30fps IR LED Emission Wavelength: Centroid wavelength 850nm Digital microphone: Digital microphone*2 I/O Port: USB2.0 or USB 3.0(recommended) Operating Temperature: -30℃ to +70℃ (-22F to +158F) Stable Image Temperature: 0℃ to +50℃ (32F to +122F) Product Dimension(LxWxH): 135mm*22mm*53mm(5.31x0.87x2.09 inch) Net Weight: 115g(0.253Ib) USB cable length: 4.92ft (1.5 m) Support platform: Windows 11 to support Windows Hello. Available for every computer with Windows 11-based and USB port,such as small footprint PC,laptop PC,Desktop PC. Windows 8/8.1,32/64 bit OS only support Web Cam Windows 7, 32/64 bit OS only support Web Cam Initial setting Easy Setup 1. Start up Windows Hello 2. Enter the PIN code 3. Capture the face with a camera 4. All set,Exit The range that can be authenticated is ± 15 degrees in the vertical direction and ± 20 degrees in the horizontal direction, so adjust your face in front of the device