Specifications: Frame rate: 30 frames / S.  Video format: Avi.  Output format: YUY2.  Lens: HD lens.  USB cable length: 150cm.  Resolution: 640 * 480.  Interface type: USB2.0.  Built-in: sound absorption and noise reduction microphone.  Focusing range: 20mm to the extreme.  Drive type: plug and play free drive.  Flashing control: 50HZ 60HZ.  Photo format: Bmp Jpg.  Sensor type: CMOS.  Contrast optimization engine: contrast balance.  TWAIN: Support various video conferencing software such as Netmeeting.  VM engine: 180M / bmp high-speed processor.  Support current mainstream computer XP2 or above, Vista, Win7, Win8, Win10 and other operating systems.     Features: 1. HD drive free, plug and play.  2. Applicable to online courses, TV videos and local videos.  3. Built in omnidirectional sound absorption and noise reduction microphone, clear call.  4. Make fine adjustment and light correction according to lighting conditions.  5. It can rotate 360 degrees left and right, and the head can be adjusted up and down.  6. Multifunctional base to meet the requirements of different use scenarios.  7. Manual focusing, left and right rotation of lens to adjust the definition, both near and far.  8. Color optimization engine, automatic color compensation, skin color adjustment function.  9. Adopt high-definition lens, good light transmittance, true color restoration, and effectively reduce image distortion.     Package including: 1x Webcam