-Convenient and compact mode provides good operation feeling; One-touch switch unit can meet the measurement needs of different groups of people. -With self-calibration function, more accurate. The measurement range is less than 50 meters, suitable for measuring small areas such as houses, bedrooms, libraries, etc. - 2.0 inch high-definition automatic backlit large screen, can read clearly. The data rangefinder supports four-line LCD data display function, which is convenient to view data -99 sets of data storage function. No need to worry about data loss, measure anytime, anywhere -The multi-function rangefinder supports the following functions: continuous measurement function, area volume measurement, Pythagorean measurement, plus and minus measurement function, area/volume addition and subtraction, maximum and minimum values, self-calibration function