PRACTICAL FUNCTION + EASY TO USE: Measuring range of 100m/328ft, measurement accuracy: 1/16 inch; Switch between four units with one button: m / in / ft / ft + in. Features 6 display effects: distance, area, volume, Pythagorean theorem (indirect measurement), continuous measurement, addition and subtraction, maximum and minimum values, meeting diverse needs. ACCURACY + SUPER LARGE BACKLIT SCREEN: With accuracy up to 1/16 inch, the portable laser measure can perfectly complete a measurement task ranging from 0.16 to 328 feet. Additionally, 4 interchangeable units among m / in / ft / ft+in are designed for users with different reading habits. The large backlit screen provides users with better visibility. SILENT FUNCTION + 20 DATA STORAGE SETS: It has a silent function that can be used in libraries, classrooms, gardens with curious neighbors, or other quiet environments. Measurement results can be stored; the laser measure has 20 data memory sets, 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 lifespan. It can be used on construction sites, apartments, buildings, factories, warehouses. The elegant side design is effective and anti-slip, offering a better feel. 150s automatic shutdown protects power.