Teachers Can Use The Usb Document Camera, Webcam/Doc Camera For The Classroom ???3 in 1 USB document camera, visualiser and webcam: it can be used as a webcam for webinars and conference calls, or flip the lens for live presentations. The document camera of the hose structure can be adjusted to any angle that you want, capturing images and videos from all angles. The maximum size is A3 paper ???Document camera for teacher with left and right mirroring and auto focus: it can be manually adjusted for image inversion. In the process of video chat or remote video teaching, it supports the left and right mirroring function of freely adjusting the image. Press the focus button once to automatically focus once. Ideal for remote video teaching ???USB document camera with LED fill light and IOS exposure: It comes with an exposure adjustment button. You can manually adjust the 5-level IOS exposure to ensure you get perfectly sharp images in imperfect environments. The 3-level LED fill light eliminates shooting problems in difficult lighting conditions, allowing you to aim for objects easily in dark and bright environments ?For classroom with document camera: 5MP/1944P Full HD streaming at up to 30 fps, with CMOS image sensor, outputs HD images and video in real-time for excellent noise reduction and color reproduction?ideal for dimly lit environments shoot. Macro captures objects as close as 3.94" ???Plug and Play High Compatibility: The visualiser is equipped with a USB-C cable, which can be directly used with devices with USB-C interface such as MacBook. Compatible with Windows PCS, Macs and Chromebooks, works with Tiktok, Google Meet, Skyp-Microsoft Teams, Zoom; built-in silicon microphone reduces noise and improves sound quality