The stabila ld250bt laser distancer is a compact easy to use laser with 4 measuring functions length area volume and continuous measurement it has a large back lit screen with large readout making it easy to read in any enviroment with an impact resistant ip54 rated housing with shock absorbent soft grip casing integrated bluetooth smart 40 technology enables measurement data to be wirelessly transferred from the laser to a smartphone or tablet the free stabila measures app allows measurements