Features: Brand new and high quality This replacement ink cartridge can print high-efficiency printing with more than 800,000 characters Professionally manufactured, you will experience vivid printing on every page. Suitable for non-encrypted handheld inkjet printers, encrypted printers cannot be used directly otherwise will not take responsibility Solvent quick-drying ink, please note that it is inkjet not engraved so wait for the ink to dry This is a normal quick-drying cartridge, not a high-adhesion cartridge, so recommend printing on cardboard or simple plastic packaging. Red blue green yellow ink cannot print on black or dark surface - can print on white or transparent surface. Specifications: 1: Types: 12.7mm Quick Drying Cartridge (2790K) 2: Ink: Solvent quick-drying ink, please note that it is inkjet not engraved so wait for the ink to dry 3: Capacity: 42ml 4: Color: Black 5: Lifespan: 6 months Calculate the lifespan from the payment date 6: Voltage:9.6V-10.8V 7: Pulse Width: 120~180mm 8: DPI: 600DPI 9. Length: Approx. 10cm/3.94in Note: Online inkjet printers are not recommended to use otherwise will not take any responsibility<br /> Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement. Package includes: 1 pc x Ink Cartridge