1、STABLE AND FAST: Web camera can make high definition video calls with no trailing images, high stability and high speed. EPTZ is supported below 4k resolution. 2、WIDE ANGLE DESIGN: HD webcam choose 1/2.8in CMOS distortion free HD lens with 4K resolution, ultra wide angle 116 degree of view. 3、HIGH PERFORMANCE: Computer camera is equipped with a microphone to bring users a clear picture and sound. 4K HD, 2160P support 30 fps. 4、PLUG AND PLAY: Video webcams set up USB2.0 high speed transmission, drive free, and can rotate freely in 360 degree horizontally. 5、UNIQUE DESIGN: USB Camera is designed with two intelligent omnidirectional microphones with algorithm and 5m/16.4ft pickup. Can be used as a webcasting, video calling and video conferencing device. Item Type: Web Camera Material: ABS Optical Size: 1/2.8in COMS Sensor Effective Pixels: 4K Shutter: Electronic Rolling Shutter Viewing Angle: 116 Degree AEC Gain White Balance: Automatic Lens Focal Length: 3.0mm/0.1in Operating System: For Android, for Linux System Remote Control Battery: 2 x AAA Batteries (Not Included) 1 x Web Camera 1 x Remote Control 1 x USB Cable