The stanley intelli sml fatmax multi line laser level projects 1 plumb line 1 horizontal and 1 vertical line to create a cross line v130h130 with a pulse beam mode that allows use outdoors when used in combination with the ld200 detector not supplied and provides an extended range of up to 50m interior or exterior use it is ip54 rated protected against splash and dust damage specification level accuracy 2mm 15m square beam accuracy 1mm 5m self levelling range3working range 15m 50m with detector