The stanley intelli tools tlm 330 true laser measure allows for rapid and precise one person operation over long distances with easy to take measurements in busy or out of reach areas it can measure length area and volume up to 100m also has a pythagoras function for remote measurement of high walls min max tracking and trapezoid measurement for accurate layout the back lit 3 line display provides visibility in all working conditions and will store the last 20 measurements taken for reference it