Document Camera - Product Description： ISO: 5 level Exposure Light source: Natural light + touch switch Additional LED light ZOOM: autofocus Resolution: 2592*1944 (5 Mega pixels) Mirror Function: Mirror left and right Image Rotation: Hose design, 360 degree rotation Microphone: Built-in Microphone Support OS (UVC): Windows, macOS, Chrome OS Image color: 24bit Scanning media: papers, manuals, images, photographs, magazines and books, 3D objects, etc. Interface type: USB2.0 Maximum capture size: A3 Image adjustment: Brightness adjustment, exposure adjustment, left and right mirror adjustment, focus adjustment, etc. Recording format: AVI, MP4, WMV 3-in-1 Document camera & Visualiser and Webcam: Use real-time image capture to bring new levels of engagement to your lectures and classroom presentations. The lens module can be face down like a document camera to capture documents and handwritten notes, and face up can be used as a high definition PC camera for web meetings 3-in-1 Home, school and office function: The hose structural design, allowing you to use it in different environments. At home, use it with webinar software for distance education. In schools, use it to capture small objects and project teaching materials on a big screen. In the office, use it to optimize participation in presentations and web conferences Mirror left and right button: When making a video call, recording a video, or taking a picture, the picture obtained is not normal, and the picture is left and right reversed, then you don't need general video software to set it up, you can directly use the "left and right reverse" on thustar document camera. Turn the button to adjust, and click the button of “left and right reverse” to get the image you want Auto focus button: When the acquired image is blurry, you can press the "Auto Focus" button to adjust the clarity of the image without using software adjustment. 3-level adjustable brightness: The camera comes with 14 ring lamp beads, 3-levels adjustable brightness, which can eliminate the trouble of shooting in difficult lighting conditions, allowing you to capture objects in dark and bright environments, and also can realize selfie filling function 5-level ISO Adjustable Image Brightness: 1. USB document camera has ISO brightness buttons, you can manually adjust the image brightness with 5 degrees, to ensure you get a clear picture 2. Press 5 times in a row (Recycling), each exposure is different. Maximum catch area: A3 1. It can better capture 2D and 3D objects, shoot high definition pictures and videos. Maximum coverage area: 16.5 "x 11.6" (A3 paper) 2. The visualiser is compatible with Tiktok, Zoom, Skype, Google Meet, Microsoft Teams, FaceTime, etc. ! You can start a video conference with doc cam in 3 steps: Step 1: Plug in the computer. It will be automatically detected. No need to install any drivers or other software Step 2: Launch the desired video sharing app Step 3: In the settings menu, change the camera source to "Stream Camera" and you can start using it. Finally: Image resolution can be adjusted as you need