130' Laser Distance Measure, Accurate To 1/16" At Working Range Of 130', With Units Of Measure As Follows Inches, Decimal 1/8, 1/16, 1/32', Feet & Inches Metric, Measuring Types Single Distance, Min/Max & Continuous Measuring, Calculated & Indirect Measuring Addition/Subtraction Area Volume, 1 Pythagoras Function 2 Point Pythagoras, High Speed Micro Processor That Calculates Quickly.