1. Aggregation of a of apps, built-in weather, clock, photo album, special effects animation, video playback, computer projection screen, web Settings, etc. 2. The program is relatively modular and low coupling. 3. Configure and set other options on the web UI. 4. Provide web access in addition to supporting ip access, 5. Upload files on the web to the SD card (including deleting files). You do not need to remove or insert SD 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, prepare an SD card and card reader below 32G)(SD card and card reader not included). Note: The data cable 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, other products are not included. Note: Light reflection 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.