The Bentsai B45 dual-head handheld inkjet printer features two cartridges for a large 2-inch (46mm) print height, making it ideal for logos, big characters, QR codes, HT marks, and case labeling. Its portable design suits indoor and outdoor use, especially on bulky or immovable items. Compatible with water-based ink for porous surfaces like wood and cartons, and solvent-based ink for non-porous materials such as metal, plastic, and concrete. Plus, with its built-in photoelectric sensor, the B45 easily integrates into conveyor systems for automated coding.