The Ridgid Micro LM-100 Laser Distance Measure provides simple quick and accurate distance readings with its ultra-sharp Class II lasers Distance reading will appear on the easy to read LCD display The measure enables professional tradesman to quickly determine run distances for bidding calculate the distance of piping runs measure trouble spots down the line and quickly determine spacing for code compliance Measures feet inches and metres Stores up to 20 measurements Bright Backlit Display allows use in poorly lit areas Rugged over-moulding allows excellent grip Measurement calculations area volume and indirect measurement calculations Specification Accuracy ±15mm Operating Range 50m Power 2 x AAA batteries supplied Protection Class IP54 dust & water splash