1. US version computer keyboard for Samsung NP-370R4E 450R4V NP470R4E 530U4E 450R4Q 450R4E 2. Replace your broken or unworkable part with a new one 3. Each item has been checked and in good condition before shipping 4. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts 5. Completely fit and work
