Measure up to 131Ft and is suitable for everyday home use as well as measuring large commercial areas such as buildings, factories, and warehousing. Simply with one click, you can switch between distance, volume, area measurement, Pythagorean measurement, and continuous measurement. You can also freely switch the units in Ft/In/M.   Features: [Mini Size]Compact and lightweight, you can keep it in a pocket. Quicker and more convenient to measure than tapes.  [Multi-Function]Support distance measure, area/volume calculation, Pythagorean mode, and simple mathematical calculations.  [Durable]This laser distance measure is IP54 rated to withstand tough job site conditions such as rain or dust, etc.  [LCD Display]This laser distance measure with a large LCD screen allows measurements to be easily read, even in dark areas.  [Widely Applicable]Suitable for architects, realtors, keen DIYers, construction and industries, apartments, buildings, real estates, factories, warehouses, etc.   Specifications: Color: Black;  Material: ABS;  Style: Casual;  Range: 40m / 131.23ft;  Unit: m, in, ft;  Waterproof: IP54;  Laser Level: Level Ⅱ;  Laser Type: 635nm<1mw;  Battery: 200mAh 2*1.5V AAA;  Application: Distance;  Occasion: Home, Outdoor, etc;  Package Size: 10*3.2*1.2cm / 3.93*1.25*0.47inch;  Package Weight: 110g / 0.24lb;   Package List: 1 * Laser Distance Measure;  1 * USB Charging Cable;  1 * English Manual