Digital road measuring wheel DIGIRoller Plus 3. Can measure lengths, widths and heights, and it can calculate areas, volumes, perimeters and more in U.S. or metric units. The Digi puts the controls right in the palm of your hand - no stooping, bending or squinting. Easy-to-use handle-mounted controls with 7-digit backlit display. Easy transport and storage - it has a built-in carrying handle and folds to half size. TrueTac buttons make it easy to use when you're wearing gloves. Center line design for balance and accuracy. Measures up to 9,999,999 feet, meters, yards or inches. 2-year warranty. Circle calculations for area, circumference, circle volume and circle wall surface area. Calculate volume, wall surface area and circle volume. Measure lengths and widths, press a button and area and perimeter. Measuring Range: 0 to 9,999,999 (yards, meters). Wheel Accuracy: 99.5%. Internal Math Accuracy: 12 digits. Dimensions: length 103cm, folded 55cm, wheel size d=32cm, circumference 1m. Maximum speed: 19km/h. Display capacity: 7 digits. Weight: 1.9kg. Power: One 9V battery. Operating Temperature: -10°C to 40°C. Storage temperature: -20°C to 60°C.
