Dewalt dw03050 50 metre laser distance measure 50m calculates area and volume with automatic calculations that make job estimates quick and easy indirect height measurement uses pythagoras to measure distances even when point a andor point b isnt accessible for linear measurement the laser distance measure features a memory unit that stores the last 5 measurements and a 2 line backlit display helps improve screen visibility in both dim and bright conditions it has a durable design with over mol