Features: 1. The original imported chip is adopted, which has strong compatibility.  2. HD drive free, plug and play.  3. Suitable for online courses, TV video and local video.  4. Built in omnidirectional sound absorption and noise reduction microphone, clear call.  5. Fine adjustment and light correction according to lighting conditions.  6. It can rotate 360 degrees left and right, and the head can be adjusted up and down.  7. Multifunctional base to meet the needs of different scenarios.  8. Focus manually, rotate the lens left and right to adjust the definition, far and near.  9. Color optimization engine, automatic color compensation, skin color adjustment function.  10. Using high-definition lens, good light transmission, color restore true, effectively reduce image distortion.     Specification: --Net weight: 76g.  --Gross weight: 110g.  --Color：Black.  --Product size: 2.3cmx8.8cm/0.9inx3.5in.  --Frame rate: 30 frames / S.  --Video format: Avi.  --Output format: YUY2.  --Lens: HD lens.  --USB cable length: 150cm.  --Resolution: 640 * 480 (comparable to 720p).  --Interface type: USB2.0.  --Built in: sound absorption and noise reduction microphone.  --Focus rangee: 20 mm to extreme.  --Driver type: plug and play driver free.  --Flicker control: 50 Hz, 60 Hz.  --Photo format: bmp jpg.  --Sensor type: CMOS.  --Contrast optimization engine: contrast balance.  --Twain: supports NetMeeting and other video conferencing software.  --VM engine: 180m / BMP high speed processor.  --Support the current mainstream computer xp2 or above, vista, win7, win8, win10 and other operating systems.     Package Included: --1 x Laptop camera