Features: This tool supports real-time online adjustment of VGH, VGL and VCOM voltages, and it is more convenient to use without connecting a computer for burning. The user-friendly operational is adopted, and the adjustment process is simple, which is suitable for all kinds of users to get starting quickly. Provide accurate regulation function, ensuring that each value remain stable within the set, and improve equipment. Equipped with real-time display screen, the current can be clearly displayed, which is convenient for users to monitor changes during adjustment. Built-in multiple protective functions, such as over-current protective and over-temperature protective, ensuring the safety of equipment and users. Specifications: Component:PCB Size:Mix Size Package Includes: 1Pc Programmer note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.