Lumens VC-B11U Zoom Certified USB Conference Camera, Black, 4K 1/2.8" 8.57 MP CMOS Sensor, Fixed Lens, WDR, 2 Built-in Omni-directional Microphones, Auto Framing, ePTZ Function, 120-Degree FOV The Lumens VC-B11U delivers brilliantly sharp and exceptional video with 4K Ultra HD image quality. The VC-B11U’s genius auto framing function can automatically frame all participants in a perfect view. It features 120° field-of-view wide-angle providing an excellent visual collaboration experience. Thanks to its built-in two Omni-directional microphones, it can capture crystal-clear voice. It’s applicable for video conference with 3-10 participants in the small-to-medium size room. Key Features: - Clear images with 4K sensor, fixed-lens, and WDR - Effectively capture human voice up to 5 meters - Genius and accurate auto framing can detect everyone in wide angle - Easily control the camera by a mini remote controller or software - USB 3.0 Type C output interface Specifications: - Sensor: 1/2.8" 8.57MP CMOS - Video Format: 3840 x 2160 30 / 25 fps; 1920 x 1080 30 / 25 fps; 1280 x 720 30 / 25 fps; 640 x 360 30 / 25 fps - Video Output Interface: USB 3.0 Type C (USB 2.0 Compatible) Pixel Zoom: 1080p: 2x / 720p: 3x - Digital Zoom: 4x (MAX.) - Horizontal Viewing Angle: 110? - Vertical Viewing Angle: 74? - Diagonal Viewing Angle: 120? - PTZ: ePTZ - Auto Framing: Yes (1080p and below) - Auto Framing Maximum Distance: 5 Meters - Aperture: F 2.2 - Focal Length: f=2.1mm - Minimum Object Distance : 500mm - Video S/N Ratio: > 50dB - Image Flip: Yes - Built-in Mic: 2 Omni-directional Mics - Mic Effective Distance: 5 Meters - IR Receiver: Yes - IR Remote Control: Yes - Mounting: Tripod-Ready Universal Clip - Weight: 1.1 lb - Dimensions: 1.2" x 8.3" x 1.4" (without clip); 1.9" x 8.3" x 2.9" (with clip)