Use the Application table below to quickly determine which product is best suited for your job MODEL APPLICATION Contour XLR Construction site measurements Indoor/outdoor floor and space planning Golf course planning and surveying General distance measuring and quick survey estimating Contour XLR i Mine face profiling Tree height measurement Horizontal distance measurements for utility pole and tower separation  Slope/Grade measurement Material volume estimation via profiling Contour XLR ic GPS offset mapping Missing line measurement Area/Perimeter measurement Contour XLRM Industrial/Military applications High repetition rate sensing Contour MAX Long range (3 Km) Military/Survey applications Remember, all Contour rangefinders offer extra-long range performance as a standard feature. The table below shows typical target range performance for all Contour models. There is no need to pay extra for extra-long range! 175 m to an overhead cable 400 m to power/telephone poles 400 m to trees (no foliage) 800 m to buildings/trees (with foliage)