The product is a 4-pack of compatible toner cartridges for HP Laser printers, specifically models CB540A, CB541A, CB542A, and CB543A, as well as HP 125A toner cartridges. These cartridges are multi-color, including cyan, yellow, magenta, and black. They come with a reset chip and have a manufacturer warranty of 3 months. The cartridges are compatible with various HP Laserjet models, such as CP1210, CP1515n, and CM1312nfi. Made by ACM, the toner cartridges are manufactured in the United States and offer high-quality printing results for your documents and images.For ModelsHP COLOR LJ CM1300, COLOR LJ CM1312 MFP, COLOR LJ CP1210, COLOR LJ CP1215, COLOR LJ CP1217, COLOR LJ CP1510, COLOR LJ CP1515N, COLOR LJ CP1518NI, IMAGECLASS MF8030CN, IMAGECLASS MF8050CN, IMAGECLASS MF8080CW, I-SENSYS LBP-5050, I-SENSYS LBP-5050N, I-SENSYS MF8030CN, I-SENSYS MF8050CN, SATERA MF8040CDW