Document Camera 8MP HD A3 Multi Language OCR Portable USB Document Camera Scanner for Office Classroom Online Teaching Item Type: Document Camera Material: Metal Iron, ABS Model: K913AF Camera: CMOS Sensor; Distortion Free Optical Lens Resolution: 8 Million PX; 3840 x 2160 Output Format: MJPG, YUY2 Focusing Method: The Camera Adopts The Automatic Focusing Method (The Automatic Focus Is Clear When Put In), Imaging Speed ≤1s Scanning Size: Maximum A3, Backward Compatible With A4, A5, A6, Business Cards, Various Types Of ID Documents Image Format: Support JPG, PNG, BMP, TIF, Etc. Image Color: RGB 24 Bit True Color Video Format: AVI Scanning Type: Support Documents, Bills, Magazines, Receipts, Pictures, Photos, Three Dimensional Objects, Various Types Of Id Documents, Etc. Fill Light: Natural Light And Auxiliary LED Fill Light, Touch Intelligent Dimming: Built in Two Sets Of Digital Fill Light, Which Can Illuminate Two Different Directions, Weak, Moderate, Medium, Moderately Strong, Strong (Five Level Dimming) Image Control: Support Manual And Automatic White Balance Adjustment; Support Manual And Automatic Exposure Control Adjustment; No Image Distortion. With Brightness Adjustment, Saturation Adjustment, Exposure Value Adjustment, Sharpness Adjustment, Color Adjustment, Gamma Adjustment, Gain Control And Other Functions Transmission Interface: USB 2.0 Interface Image Processing: Image Intelligent Cropping, Skew Correction, Image Enhancement And Optimization, Watermark Addition, Image Editing Other Functions: Automatic Snapshot, Timed Photo, Barcode Recognition, PDF Conversion, Video Recording, Etc. Barcode Recognition: Barcode And QR Code Can Be Recognized, And The Recognition Result Can Be Used As The Name Of The File OCR Recognition: Support OCR Function, Easily Convert Document Images Into Word Excel TXT Files Driver Free Support System: for Windows 7, for Windows 10, for Windows XP, for Windows Vista, for Windows 2003