Johnson Level and Tool 40-6065 Digital Angle Finder Laser Level with Rotating Display Strong holding magnetic edge allows hands free use on ferrous metal surfaces 5 construction languages - units of measure (degrees, percent, mm/m, in/ft in decimal, in/ft in fractional) Working range of angle measurement is 0 to 182.5 Automatic digit inversion for overhead measurements Laser Class Illa, Power output 5mW