Laser rangefinder tlm 165i 60 meters stht 1 77142 range 0 10 m mbute pull measures to 60 must be taken from angles with automatic recognition of the reference pointprecision 1 5mm mesure distances surface calculates volumes prise of continuous measurements with the calculation function addition tracking fonction soustraction estimation height calculation with 2 or 3 point pythagoras function memory 5 sound mesures bip light screen display 2 dust and rain lignes protection