All relevant functions in a compact designDistance measurement, area calculation, volume calculation ? all intuitive to useIlluminated, three-line display maximises readabilityMemory function enables easy access to the last ten measurementsFEATURES:Drop test ? Shock protection up to 1mSize GLM 40 ? Compact size: 10 x 4 cmSquare metres ? Area measurementDistance measuring range 40 m ? Measuring range of 0.15 to 40 m