Features: Experience unparalleled versatilitys with 22 in 1 Laptop Serial Number Modification BIOS Adapter Board, to support wide ranges of brands and models for seamless BIOS serial number modification and recovery. This adapter board features high compatibility, effortlessly adapting to various BIOS chip types without the need for soldering, ensuring safety and reliability during use. for computer repair technicians, enthusiasts, and second hand laptop sellers, this tool simplifies BIOS serial number adjustments, enhancing performances and value. for use in repair service centers, individual maintenance, and electronics recycling, it allows for quick and efficient BIOS modifications, ensuring data security and device integrity. This PCB materials adapter is easy to carry, making it essential tool for repairs or upgrades, boosting efficiency with its intelligent recognition systems. Specifications: Materials: PCB Size:6.2x5cm/2.44x1.97inch Package Includes: 1Set Laptop BIOS Adapter note: Please allow 0-1cm error due to manual measurement. please make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.