Connects to PC or Mac. No software installation required with plug and play. Lithium-ion battery and USB re-chargeable. Uses keyboard and PC monitor to create labels. Prints on D1 tapes up to 12mm. Prints up to two lines. Compatible with Windows 2000/XP/Vista/Windows 7 and Mac OS 10.4+. 53x136x141mm. Weight: 0.2kg.