About this item This digital distance measuring tool measures rooms, apartments, buildings, real estate, factories, warehouses, etc. easily and accurately, it applies to home, construction and industry measurement Measurement modes including distance measurement, continuous measurement, area measurement, volume measurement and indirect pythagoras measurement Eventek laser meter can calculate area and volume automatically, with automatic correction and error report technology, wide measurement range from 0, 03 to 60m High precision measurement +/- 2mm, unit switchable between meter, inch (inches) and feet (ft), LCD display with backlight, faster and more accurate than a tape measure Compact and lightweight for easy transport and one-hand operation, 2 AAA batteries already included, with d