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+ ANTI-SLIP DESIGN Wrapped in soft rubber, high-density wear-resistant, anti-slip and anti-fall material, IP54 (splash-proof, dust-proof), low energy consumption and long life, can be used in construction sites, apartments, buildings, factories, warehouses; The sleek design of the side is effective and non-slip and feels better; 150s of automatic shutdown, able to protect the power.