- [COMPLETE SIGNAL GENERATOR SET] This portable signal generator comes with a USB cable and is essential for diagnosing display issues across various devices, including HDTVs, LCD monitors, and CRT projectors. - [FOUR RESOLUTION MODES] Easily switch between four essential resolutions: 640x480, 800x600, 1024x768, and 1280x1024. The device can be powered using a 9V battery or an external AC adapter, providing flexibility for different usage scenarios. - [USER-FRIENDLY OPERATION] Simply connect the generator to your display via the 15-pin connector. The intuitive startup shows a default color block diagram for immediate testing, ensuring quick and effortless operation. - [COMPACT AND LIGHTWEIGHT DESIGN] Measuring just 26mm x 52mm x 90mm, this generator is designed for easy portability and storage, making it ideal for technicians and home users who require quick diagnostics on-the-go. Practical Applications: 1. Ideal for technicians in the field who need to test various displays on-site without heavy equipment. 2. Perfect for home users troubleshooting connectivity issues between their computers and monitors. 3. A valuable tool for educational environments to ensure projectors and monitors are working correctly during presentations.