?Laser distance measurer (LDM) manufactured to withstand the inevitable job site drops and falls on the Job siteIt has a range of up to 100m and an accuracy of +/- 1mmCommon end-user functions : linear meter readings, surface and volume calculations. It will add or subtract readings and calculate distance in Metric and Imperial.The user can select the unit to continually measure which allows layout applications.Pythagoras indirect height function will allow to measure distances even when point A and/or point B isn?t accessible for linear measurementTriangular area calculation to provide angle measurementIntegrated inclinometer : Can be used as a digital level, calculate indirect height values, or indirect horizontal distances Unit stores last 20 measurementsThe unit has large, raised, oversized buttons to avoid miss measuresLarge backlit, 3 line display to provide visibility in all working conditionsMultifunctional end piece : Delivers versatility and accuracy of measurements in corners and vertical surfaceThe unit has a flat base that gives a solid platform to measure without the unit shaking and moving to help avoid measuring errors.Will survive a 2m drop onto concrete and has an IP65 water/debris resistanceComes complete with two AAA battaries and a belt pouch