Connect to the computers host, check the temperature of the host, CPU usage, and other conditions. Features: Boasts a compact design, ensuring effortless handling and convenience during use. Equipped with a clear display for effortless and accurate reading. Incorporates developed chip recognition technology for enhanced accuracy in data interpretation. The theme editor function allows for quick editing of desired themes and features. Customers can DIY creates new themes or customize editable control informations according to their preferences, including font size, font color, numerical values, background pictures, etc. It can quickly set screen rotation, screen brightness, language switching, screen rest time, startup and other functions. Specifications: Color: white, black (optional) Screen size: 2.1in Resolution: 480*480 Material: aluminum alloy Item size: 72 * 72 * 10mm / 2.8 * 2.8 * 0.4in Package size: 100 * 100 * 30mm / 3.9 * 3.9 * 1.2in Package weight: 160g / 5.6ounce Packing List: 1 * Secondary Screen 1 * Data Cable 1 * 9Pin Cable 1 * User Manual