ZEBRA'S DISINFECTANT-READY PRINTER FOR 3 Inch (72MM) APPLICATIONS. PRINT WIDTH : 2.9 Inch/72 mm MEDIA ROLL OUTER DIAMETER : 2.6 Inch/66 mm OD on a 0.75 Inch/19 mm or 1.375 Inch/34.9 mm PRINT SPEED : Up to 4 Inch/102 mm per second WEIGHT : 1.6 lbs / 726 grams DURABILITY : IP43-rated for dust and liquid protection,(IP54-rated with a protective case),5 feet (1.52m) drops to concrete multiple times BATTERY CAPACITY : PowerPrecision Plus 2450 mAh removable Lithium Ion Battery (7.4V) (4300 mAh extended battery optional)