1. Compatible part number: for Acer Chromebook Spin 512 R851TN R851 Series N18Q8 R851TN-P4VW-US R851TN-C9DD-US R851TN-C3ET 6M.H99N7.001 lcd screen replacement display Assembly 2. It will be tested and packed carefully before shipping. Please turn off the power before assembly. 3. Size: 12 inchMax. Resolution: 1366x912 LCD Connector: EDP 40pins (Not for 30pins)!!! 4. Note: When opening the package, please confirm that the package is complete, this product is fragile, please operate carefully to avoid damage. 5. Before purchasing, please reconfirm whether the product you choose is the model you need, if you have any doubts, please contact us in time.