1. [Quality Item] - 100% Original Brand New Notebook Replacement Laptop Lower Base Bottom Case Cover 2. [Compatibility] - Compatible for HP 250 255 G7 3. [ Manufacturer Part Number (s) ] - M04973-001 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.