【PRACTICAL FUNCTION+EASY TO USE】 Measuring range 100m/328ft, measurement accuracy: ±1/16 inch; Change four units with a button: m / in / ft / ft + in, 6 display effects: distance, area, volume, Pythagoras (indirect measurement), continuous measurement, addition and subtraction, maximum values and minimum, can meet different needs. 【ACCURACY + SUPER LARGE BACKLIGHT SCREEN 】With accuracy up to ±1/16inch, the portable laser measure can perfectly finish a measure task ranging from 0.16 to 328 feet. Also 4 interchangeable units among m / in / ft/ ft+in are designed for people with different reading habits.Large backlight screen provides users with a better visibility 【FUNCTION MUTE+ 20 DATA STORAGE SETS】 It has a muting function that can be used in libraries, classrooms, gardens with nearby nosy or other quiet environments; measurement results can be stored, laser meter has 20 data memory sets, which is useful for reviewing and comparing measured data after measurement. 【SOFT RUBBER +IP54+