Buyers must read: 1. Please read the title carefully before purchasing. Confirm the board model and machine model. If you are unsure whether the product is compatible, it is the buyer's responsibility to verify. We are not responsible for incorrect purchases. Returns are accepted, but shipping fees are not covered by us. If you have any questions, feel free to email us and we will respond promptly. Thank you! 2. These products are used but fully functional, with no damaged circuit board components. All items are tested before delivery. 3. All products are tested prior to shipment. If damage occurs during transit, please notify us immediately upon receipt. 4. Do not initiate disputes due to product age. We provide detailed descriptions. If you cannot accept the condition, please do not order to avoid unnecessary issues. Thank you. Some products may be new. If new stock is available, we will send new items. If new stock is unavailable, used items will be shipped instead. However, all units are strictly tested before delivery, so please rest assured. Your understanding is appreciated. If you encounter any quality issues, please . (Note: Appearance may vary slightly between batches, but this does not affect functionality.) Color: As shown Material: PCB Package Contents: 1 x Logic Board Kit Only the above package content is included; other items are not part of the package. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.