This is a Genuine HP LaserJet 4700 Yellow Cartridge (Model 643A) in a new box. It is designed for use with HP printers like the 4700dtn, 4700dn, 4700ph+, and 4700n. The cartridge is of Genuine/Original type and is compatible with Hewlett Packard printers. It utilizes Laser print technology and has dimensions of approximately 10.12in (H) x 15.7in (W).