The product is a genuine HP EliteBook 840 G10 backlight N55235-001 English keyboard that is compatible with the HP EliteBook 840G10 models. It is a silver keyboard that is ideal for replacing a damaged or faulty keyboard on your laptop. The product comes with a California Prop 65 warning, indicating that it may contain chemicals known to cause cancer or birth defects. This keyboard is a reliable and authentic replacement part for your HP EliteBook laptop.