Features:1. High-definition driver-free plug and play. Fine-tuning and light correction according to lighting conditions.2. Applicable for online courses videos local videos. Built-in omnidirectional sound absorption and noise reduction microphone clear call.3. It can be rotated 360degrees left and right and the head can be adjusted up and down. Multifunctional base to meet the needs of different use scenarios.4. Manual focus adjustment the lens can be rotated left and right to adjust sharpness both near and far. Color optimization engine automatic color compensation skin tone adjustment function.5. High-definition lens with good light transmission and true color reproduction effectively reducing image distortion.Specification:Frame rate: 30 frames / SecVideo format: AviOutput format: YUY2Lens: High DefinitionlensUSB cable length: 150cm.Resolution: 640*480Interface type: USB2.0Built-in: Sound-absorbing and noise-cancelling microphoneFocusing range: 20mm toDrive type: Plug and PlayFlicker control: 50HZ 60HZPhoto format: Bmp JpgSensor type: CMOSContrast optimization engine: contrast balanceTWAIN: Supports various video conferencing software such as NetmeetingVMengine: 180M / bmp high-speeds processorOperating system: XP2 or above Vista Win7 Win8 Win10 etc. includes: 1x Webcam