Features: Brand new and high quality This test module ensure safe operation, with stable and reliable performances, and strong practicability. The keyboard test module is equipped with USB power interface and control chip, easy to operate. Equipped with power cord, the DIY keyboard test board is convenient to connect and use, suitable for home and office use. The keyboard test board is equipped with DIY area. You can conduct DIY experiments according to needs, simple and convenient. This test module contains all common Port, which is applicable to more laptop models and meet more needs. Specifications: Material:PCB Size:Approx.15x5cm/5.9x1.96inch Package Includes: 1 Set Keyboard Test Board note: 1.Please allow 1-2cm errors due to manual measurement, make 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.