Wide ApplicationLaser measurement tool with multiple modes including area/volume/Pythagorean, 20 groups data memory, units in feet/meter/inch, and ideal for large areas, such as buildings, factories, warehouses, etc. High AccuracyLong-range measurement up to 50 meters with high-accuracy of 2mm, with horizontal bubble design and calibration function, T203 measures instantly Easy to CalculateThanks to addition or subtraction modes, you get measurement results of the length, area, or volume instantly; simply undo the last measure by one return button Powerful Continuous MeasurementAcquire the target quickly and calculate measurement every 0.5 secs in continuous measurement mode, with corresponding MIN and MAX values displayed dynamically What You Get Shipped with laser distance measure, AAA battery*2, Manual, Hand Strap ;