Features: brand new and high quality This replacement ink cartridge can print high yield printing more than 800000 characters Professionally manufactured,you will experience vivid print on every page. Suitable for no encrypted handheld inkjet printer, encrypted printer can not use directly otherwise do not bear responsibility Solvent fast drying ink, please note it is inkjet not engrave so wait ink dry This is normal fast dry cartridge not high adhesion cartridge, so recommend you print on carton-box paper or simple plastic packageRed blue green yellow ink can not print on black or dark surface-, could print on white or Transparent surface . Specifications: 1: Types ：12.7mm Quick-drying cartridge (2790K) 2: ink: Solvent fast drying ink, please note it is inkjet not engrave so wait ink dry 3: capacity：42ML 4: Color :Black 5: lifespan: 6months Calculate the lifespan from the day of payment 6: Voltage：9.6V-10.8V 7: Pulse width:120~180mm 8: DPI: 600DPI 9. Length:approx 10cm/3.94in Package Includes: 1 PC x Ink Cartridge note: Online inkjet printer do not recommend to use otherwise do not bear 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 measurment.