The product is a compatible black toner cartridge for Brother printers, specifically the TN660 model. It is made by HIINK and is designed for use with Brother DCP-L2520DW, DCP-L2540DW, DCP-L2300D, and DCP-L2500D printers. This laser print technology toner cartridge is of high quality and is compatible with various Brother printer models such as HL-L2320D, HL-L2340DW, HL-L2360DW, and HL-L2380DW. Made in China, this toner cartridge is a reliable and cost-effective option for printing high-quality black documents and images.