The RELCOLOR 910XL Higher Yield Printer Ink Cartridges in Black, Cyan, Magenta, and Yellow are compatible with HP printers. With a manufacturer warranty of 2 years and a print technology of inkjet, these cartridges offer high-quality printing results. The cyan, magenta, and yellow cartridges provide vibrant colors for multi-color prints, while the black cartridge ensures crisp and professional-looking text. Made in China, these cartridges are designed for use in HP Officejet printers, extending the overall lifespan of your printing device.