Laser Measure Distance Meters MESTEK 229FT/70M Digital Tape Level Tools with LCD Screen Single-distance Rangefinder Continuous Measurement Bubbles Pythagorean Area Volume Calculation -Battery Included

? Measuring Range: 229ft ? Measuring Accuracy (Standard Deviation): 2.0mm(0.079inch) ? Measuring Unit: m, ft, in ? Area Unit: m2 ,ft2,m3 ? Laser Type: 620~690nm ? Laser Class:?,?1mW ? Single Measurement Time: 0.25s ? Historical Data Records: 20 groups ? Operating Temperature:0~+40°C ? Store Temperature: -20~+65°C ? Batteries: AAA(Alkaline), 2x1.5V ? Measurements Per Battery Set: ?5000 ? Auto turn off the laser: 30s ? Single measure time:0.25s ? Auto Power off: 120s ? Dimensions (L×W×H): 120*48*27mm (4.72 x 1.85 x 1.10inch) ? Net Weight: Approx 91g (3.17oz)