Features: Easy to identify the chip, smooth printing, and the ink does not block the ink outlet. Solvent fast drying ink, please note it is inkjet not engrave, so wait for the ink to dry. The ink cartridge does not jam during use, and it will not cause damage to your printers. 42mL large capacity, can print about 800,000 characters, durable for long term use. Ordinary quick drying ink cartridges have low adhesion, so it is recommended that you print them on paper cartons or simple plastic packages, not on glass bottles, plastic bottles or some hard to stick materials. Specifications: Type: 12.7mm Quick-drying Cartridge(BK42A-6) Ink: Solvent Fast Drying Ink Capacity: 42mL/1.4 ounce Colour: Black Lifespan: 6months Voltage9.6V-10.8V Pulse Width:120~180mm DPI: 600DPI Printable Quantity: about 800,000 characters Length: Approx. 10cm/3.94inch Package Includes: 1x Ink Cartridge note: Suitable for no encrypted handheld inkjet printers. Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Due to the differences between different monitors, the picture may not reflect the actual color of the item.