Brother MW-140BT Mobile Printer. Maximum resolution: 300 x 300 DPI. Weight: 0.3 kg, Dimensions (WxDxH): 100 x 160 x 17.5 mm. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 750 mAh. Compatible operating systems: Windows 98/98SE/2000/Me/XP Windows Pocket PC/Pocket PC 2002. ISO A-series sizes (A0...A9): A7