Uninet IColor 650 Yellow Security Toner and Drum Cartridge Bundle with Reader and SleeveUninet IColor 650 Yellow Security Toner and Drum Cartridges for the Uninet IColor 650. The estimated lifetime is around 10,000 pages for the toners and 20,000 pages for the drums. Uninet's security toner is achieved by mixing specially made metal filaments with the toner in the cartridge. This allows users to confirm the authenticity of their printed items using the included electronic reader. Includes: Yellow security toner cartridge Yellow security