DEWALT DWHT77100 30M Cordless Laser Distance Measurer with 2xAAA Battery for Distance Area and Volume Measurement with Colour Screen for Home, DIY & Professional Use, 1 Year Warranty, YELLOW & BLACKAbout this itemTriangular area calculation to provide angle measurement. TPE overmould for secure gripArea, Volume and Pythagoras calculations - Product versatility for a wide range of applications30m working range. ~ 3mm accuracy per 10m. Calculates distance in Metric and ImperialIndirect height function will allow to measure distances even when point A to B isn't accessibleIt can calculate area and volume, making job estimates quick and easy with automatic calculationsDust And Waterproof Resistant As Per IP65 Standards, And Also Comes With Data Storage CapabilitesUsed in construction and industries, rooms, apartments, buildings, real estates, warehouses, etcBrandDewaltAre Batteries IncludedNoColoursilverMaterialTpeItem Weight157 Grams