HOTCOLOR 2PK 61XL Black Color Remanufactured Ink Cartridge Replacement for HP 61XL for Envy 4500 4501 4502 4504 4505 Officejet 2620 2621 4630 4632 4635 Printer 1. What's in the box: 2 Pack ( 1 Black 1 Color ) Remanufactured Ink Cartridge for HP 61XL CH563WN CH564WN 2. Page Yield: 61XL Black Ink Cartridge Up to 480 pages, 61XL Tri-color Ink Cartridge Up to 330 pages(at 5% coverage; Actual yield varies considerably based on content of printed pages, other factors) 3. 61XL ink Cartridges work with : HP ENVY 4500, 4501, 4502, 4504, 4505, 5530, 5531, 5532, 5534, 5535, 5539 PrinterHP Officejet 2620, 2621, 4630, 4632, 4635 Printer HP Deskjet 1000, 1010, 1012, 1050, 1051, 1055, 1056, 1510, 1512, 1514, 1051, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543 2544, 2546, 2547, 3000, 3050, 3051, 3052, 3054, 3056, 3510, 3511, 3512 Printer 5. Guarantee: 120 days quality warranty.If you have any other concerns or need immediate assistance, feel free to contact us via email.