1. [Quality Item] - 100% Original Brand New for for HP CHROMEBOOK 11A-NB0013DX 11A-NB0047NR NB Palmrest Upper Case with US Layout Keyboard Assembly Replacement Part. 2. [Compatibility] - Compatible for for HP CHROMEBOOK 11A-NB0013DX 11A-NB0047NR NB Palmrest keyboard Trackpad 3. [ Manufacturer Part Number (s) ] - L99855-001 4. [Warranty] - F-HONG provide a 120-day warranty against any manufacturer defective such as dead-on arrival (DOA), lines, video failure, and backlight outage. 5. [Note] - Please check your model and compare the pictures for more details to ensure get the correct one! Please contact us if you have any question or problems!