The product is a Genuine/Original Brother TN-780 Mono Laser Toner Cartridge in Black, designed for use with Brother printers such as HL-6180DW, HL-6180DWT, MFC-8950DWT, and MFC-8950DW. It is a high-quality toner cartridge that ensures crisp and clear black printing for professional documents. The Brother TN-780 is specifically designed for laser print technology, making it a reliable choice for consistently sharp and smudge-free prints.