Features:  5-50mm Varifocal Lens - 10X digital zoom usb camera, free zoom between 5-50mm focal length, very suitable for long-distance shooting of close-up details, high-definition without distortion, no vignetting.  High Quality CMOS IMX317 Image Sensor - 4K High definition webcam with Cmos Imx317 image sensor is the high standard in terms of image quality and sensitivity performance. 5-50mm varifocal lens USB camera with manual focus.   Easy to Use - USB plug and play, driver-free, compatible with Windows XP/7/8/10, Mac OS, Linux, Android.  Wide Application - Small and exquisite camera, compatible with mainstream video and live webcasting software on the market, suitable for video conference, online teaching, live webcasting, online chatting, etc.  Great Design - With a stand installation port, the camera can be easily installed on the tripod, you can choose according to your needs.    Specification:  Model: T80F  Photosensitive Element: CMOS  Sensor Type: IMX317  Body Size: 50 x 50 x 161mm  Output Format: YUY2/MJPG  Maximum Resolution: 3840x2160  Optimum Distance: 3-80m  Visible Distance: 1-200m  Lens Type: 10X Optical Zoom   Lens Size: 7.4 x 4.3cm  Camera Weight: 330g/11.4oz  Focus Method: Manual Focus  Field Of View Angle: 10-80°  Line Length: 280CM   Drive: Free Drive  Voltage: 5V  Interface: USB2.0  Frame Rate: 30FPS (3840*2160) ,  30FPS (1920*1080)  Operating System: Win XP / 7/10 Or Linux2.6.26. Android4.0 Or Above  Package Size: 420 x 200 x 90mm/16.5 x 7.8 x 3.5in,1600g/33.5oz    Packing List:  1 x Camera  1 x EVA Storage Box  1 x Clean Tool  1 x Pack of Swab  1 x Microphone  1 x Tripod