Features STAINLESS STEEL Made of excellent stainless steel material, corrosion and wear resistant and not easy to deform. Wide Range The range of digital dial gauge is 0-2 inches, with high accuracy and high practicality. Control button: with multiple control buttons, millimeters and inches can be switched, suitable for different measurements. Battery operated: the dial indicator is powered by a 3V 200mAh CR2032 battery (not included), which is convenient to use and carry. DIGITAL DISPLAY The dial gauge is an intelligent digital display design with clear readings, convenient and efficient. Specification: Item Type: Electronic Dial Indicator Material: stainless steel. Range: approx. 0-50.8mm/0-2inch Accuracy: 0.01 mm (0.0005 inches). Dial size: approx. 57 mm / 2.2 inches. Battery specification: CR2032 3V 200mAh (battery not included) Working temperature: 0-40°C. Package list: 1 x electronic dial gauge. 1 x user manual (English language not guaranteed). Small note: When using, please attach the dial gauge to a reliable bracket to avoid inaccurate measurement or damage to the scale. Package List 1 x Electronic Dial Indicator 1 x User Manual