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 MinMax 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 also features a handy additionsubtraction calculator and a timer function with one person operation for greater productivity The level ensures measurements are extremely accurate and it has a fitting for a camera tripod Specification Accuracy ±1mm Operating Range 05-100m Power 2 x AAA batteries supplied Operating Temperature -10-50°C