The product is a new, sealed OEM genuine HP B5L34A LaserJet 500 sheet input tray feeder designed for HP LaserJet Enterprise printers. This white tray has a total paper capacity of 550 pages and is compatible with specific HP LaserJet Enterprise models such as the Color LaserJet Enterprise M552dn and M553dn. Made in China, this unit is an essential part for increasing the paper handling capacity of your printer, allowing for more efficient and convenient printing tasks.