Built-in calculator makes your measuring jobs faster, easier and more accurate than ever
Built-in weatherproof keypad and calculator computes areas and cubic volumes automatically and stores data from up to nine different areas for instant recall. Choose the units you need-feet and inches, feet and tenths, inches and tenths, yards, meters and acres. DigiRoller Plus? II even calculates and adds its own wheel radius for quick wall-to-wall measurements! High-impact, shock-resistant construction for years of jobsite service. Operates on four "AAA" batteries (included, approx. 400 hours battery life). 39-3/8" feet circumference, 12-9/16" diameter wheel measures from 0 to 999,999 units, 45" length (with collapsible handle extended) , weighs 2 lbs. Operating temperature range from -14°F to 140°F. Imported.