The Bosch GLM 50 C Professional Laser Measure is a good deal if you want to store measurement data. It offers Bluetooth functionality so you can transfer measurements to a smartphone without manual calculation or errors and easily organize document using Bosch apps. The GLM 50 C features a back-lit color display, large numbers and word function description. This laser measure is precise with of 1/16 inch and range is 165 feet. It also offers a lot of functions, including real-time length, length, volume, area and indirect. The GLM 50 C is powered by 2 AAA batteries that can generate up to 10,000 measurements per battery supply. Awesome inventions to help you accurately and quickly measure.