Quality Expectations: Exterior Condition: The exterior surfaces of the kit shall be free of any scratches, dents, pitting, or other blemishes larger than 1×1 mm. (Exterior surfaces are defined as all six visible faces — front, back, left, right, top, and bottom — after keycaps are installed.) Interior Condition: Minor internal imperfections that do not affect the keyboard's functionality are considered acceptable. These may include slight scratches on internal surfaces, such as marks around screw holes or rack marks from the anodizing process. After-Sales Policy: Please record a complete unboxing video within three (3) days of receiving the package, and inspect the keyboard's exterior through the plastic wrap. Prior to assembly, test the PCB to ensure full functionality. If any issues are found, please contact our customer service team promptly with the unboxing video.