If you are the one given the task of obtaining first work site dimensions, you most likely do the job on your own and want to make sure you do the job promptly as well as exactly and then proceed to the next project.
When it comes to a most extreme case scenario, you ought to be prepared to measure large spans to the nearest 1/16", from your ladder, around obstructions, in a location having reduced light, without having a assistant. The Leica Disto D2 Laser Distance Measure lets you complete all of those actions.
My personal particular favored time (and money) saver would be the flip-out end piece utilized in conjunction with the maximum measurement functionality for you to measure window opening diagonals whenever checking with regard to squareness in preparation for a shutter installation.
Watch the video to see what else this sweet little tool can do.