Touch Screen Digitizer Connector Sub Board Compatible with Microsoft Surface Pro 4 1724 Tips: This is replacement to replace your old damage Touch Screen Digitizer Connector Sub Board, don't include instructions, please install it by a professional technician. Broken your Digitizer Connector Sub Board? don't need to change new device, just buy this item and replace your damage Touch Screen Digitizer Connector Sub Board, let your machine work again. Compatible with: Microsoft Surface Pro 4 1724 (Please check your model before your purchase) Any questions, please contact us first, we will try our best to help you. Package contents: 1xTouch Screen Digitizer Connector Sub Board Compatible with Microsoft Surface Pro 4 1724