Landshine 2K USB Autofocus Computer Camera with Ring Light 1. USB interface, plug and play 2. 2K 30-frame high-definition picture 3. 90 degree wide angle 4. Auto focus 5. With ring light, touch to adjust the light brightness 6. Built-in dual noise reduction microphones 7. Multifunctional base, which can be loaded on the monitor screen or placed on the table 8. Compatible with Windows XP/7/8/10, Mac OS 10.6, Linux 2.6.24, Chrome OS 29.0.1547.70, Android V5.0, Ubuntu V10.04 and other systems 9. Compatible with multiple media software 10. Suitable for different occasions such as remote clrooms, video conferences, photos and videos, etc. Product specifications: 1. DSP processor: SUNPLUS 2650D 2. Aperture: F/NO equals 2.2 3. Focal length: f equals to 4.35mm 4. Photosensitive chip: OV4689, 1/2.9, 4 million pixs 5. Focus type: auto focus 6. Diagonal angle: 75 degrees; horizontal angle: 67 degrees; vertical angle: 41 degrees 7. Output mode: support YUV, MJPEG, H.264