1、45ml large capacity, can print about 300,000 characters. 2、Quick-drying with strong adhesion, waterproof, fireproof and friction resistant. 3、600DPI high definition resolution, 2.54cm (1inch) font height, real restore image effect. Features: 45ml large capacity, can print about 300,000 characters. Quick-drying with strong adhesion, waterproof, fireproof and friction resistant. 600DPI high definition resolution, 2.54cm (1inch) font height, real restore image effect. Note: When the ink cartridge is not in use, it should be removed from the printer to prevent the nozzle from being air-dried. Specification: model: 308S Color: Black, Red, Yellow, Blue, Green (Optional) category: HP45S1 Quick drying time: 2-10s Printing voltage: 9.0V Printing Height: 2.54cm (1inch) Printing distance: 2-6m Printing material: Non-permeable material Package Weight:  210g/7.4oz Package Size:  17x10x8cm/6.6x4x3.1in Packing List: 1 x Ink Cartridge 1 x Ink Cartridge