The (2 PCS) HALLOLUX 134A Toner Cartridges in Black are compatible with HP printers and offer a print technology of laser. These cartridges are designed to replace the HP W1340A 134A Toner Cartridge and are suitable for use with various HP LaserJet models. With a page output of up to 1,100 pages at 5% coverage, these cartridges provide reliable and high-quality printing performance. Made in China, this product ensures compatibility and consistent results for your printing needs.