1. Aggregation of various applications, built-in weather, clock, photo album, special effects animation, video playback, computer projection screen, web settings, etc. 2. The program is relatively modular and has low coupling. 3. Configure and set other features on the web UI. 4. Provides web access in addition to supporting IP access. 5. Upload files via the web to the SD card (including deleting files). No need to remove or insert the SD card to update pictures. Main features: Built-in weather, clock, photo album, special effects animation, file management, video playback, computer screen projection, web settings, 2048 games, etc. (requires SD card support, please prepare an SD card and card reader with below 32G capacity) (SD card and card reader not included). Note: The data cable shown in the picture is not included. Color: white + transparent color Material: plastic + electronic components Package Contents: 1 x Spectroscopic prism Only the above package content is included; other products are not included. Note: Light reflection and varying displays may cause the item's color in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.