Distance Laser Measurer, CiBest 131ft /40m Portable Digital Laser Distance Meter Rangefinder Finder Handheld Measure Instrument with Min/in/ft , Tape Measure 0.05 to 40m (0.16 to 131ft) 131FT /40M LASER MEASURE: High accuracy and wide measuring range up to 131FT /40M, ideal for measuring work including length, area, tolerance, volume and liquid level; great use in construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses PORTABLE DESIGN and ACCURATE MEASURE: This professional laser Measurer has a has a wide measuring range 328ft/100m and particularly high accuracy 2mm, compact design, easy to carry, easy to use MULTI FUNCTION: Support continuous measurement, addition/subtraction function and Max/Min measurement, switchable units (meter, inch and feet) &backlight LCD with multi-line display, Supports data hold and data clear function, Supports data store/recall function of up to 99 measure PYTHAGOREAN THEOREM and BUBBLE LEVEL EQUIPPED: this meter can make use of pythagorean theorem to measure distances or lengths indirectly when direct measurement is not feasible; The Bubble level equipped as a spirit level tool, please keep the bubble in the middle WARRANTY: We provide 2 months return for any reason, 7 months exchange for defective item, 1 year warranty for this item from the order day