1. High-speed document scanning (): Supports single , smart continuous , and local ; the software has the greatest features. Supports automatic black edge removal and automatic correction; you can choose the save path and name the captured file at will; 2. Image editing processing: The pictures produced after can be processed for black edges, skew correction, rotation, mirroring, cropping, etc.; adjust the image brightness, contrast, saturation, etc. to obtain better image effects; Correction processing of grayscale, black and white, inversion, embossing, sharpening, and binarization; 3. Video production: video recording (audio recording is optional) function, which can be used to record and play multimedia videos of teachers; 4. High-definition physical booth: It can be used with computers and projectors to clearly project documents, manuscripts and other physical objects on the large screen, and instantly display the writing, sketching, and adding comments during the explanation process 5. High-definition courseware video: You can record any manual explanation process within the scope of the display or on the electronic data, which can realize the whiteboard explanation process of the online teaching course, and record it into format HD courseware. Image resolution: (10 million high-definition pixels); Format: A4 format (210mmx297mm); Image color: 24 bits; Scanning speed: one-key Press, real-time scanning; Scanning media: physical objects, test , documents, books, magazines, certificates, business cards, etc. Scanning element: CMOS photosensitive chip; Image control: brightness adjustment, color selection, automatic exposure adjustment; Picture format: JPEG, TIF, PNG, GIF, BMP Video format: ; Interface: USB2.0 data line interface power supply, no external power supply required; USB cable length 1.2 meters Working voltage: 4.75V-5.25V : , 6 LED lights fill light size:24 x 21 x 7cm Material:ABS colour:black Package Contents: 1 x Scanner 1 x CD 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.