✦ PRACTICAL FUNCTION & HIGHER ACCURACY - Measuring range 50m/165ft,accuracy: ±1/16 inch,unit:m / in / ft / ft + in,and distance, area, volume, Pythagoras (indirect measurement), continuous measurement, addition and subtraction, maximum values and minimum, can meet your different needs.With unique 2 Bubble Levels, providing more precise measurement compared to one bubble. ✦ LARGE LCD BACKLIGHT SCREEN & Mute Setting - Large backlight screen provides users with a better visibility.Mute setting allows your different needs .With accuracy up to ±1/16inch, the portable laser measure can perfectly finish a measure task ranging from 0.16 to 165 feet. Also 4 interchangeable units among m / in / ft/ ft+in are designed for people with different reading habits. ✦ EASY TO USE - Handy and compact mode provide good operating feeling; IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent,It's suitable to use everywhere. ✦ WIDE APPLICATION - With multiple measurement modes like distance, volume, area measurement, continuous measurement and measurement by Pythagoras, the laser level is ideal for home, construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc. ✦ Package Contents & Warranty - 1*S2 50m/165ft Laser Distance Meter; 2 AAA Batteries; Package Box; User Manual.Any question please feel free to contact us..