HP 507A. Page yield: 5500 pages, Compatible products: M551, Printing colours: Black. Package width: 39 cm, Package height: 20.6 cm, Package weight: 1.74 kgdldtPage yield/dtdd5500 pages/dddtCompatible products/dtddM551/dddtPrinting colours/dtddBlack/dddtColour of product/dtddBlack, Blue, White/dddtType/dtddCartridge/dddtQuantity/dtdd1/dddtOperating relative humidity (H-H)/dtdd10 – 70%/dddtStorage temperature (T-T)/dtdd-20 – 40