Dewalt de0772 digital laser detector dewalt de0772 xj p this digital laser detector from dewalt is waterproof with clamp enabling consistent accuracy near and far regardless of beam size in fine setting plusmn 1mm compatible with all rotary lasers interior exterior visible and invisible extending the operating range of most lasers to over 300m radius equipped with a heavy duty clamp for job site durability with front and rear lcd displays for easy viewing p p other features in