Hand-held Laser Distance Meter Easy, fast, durable Measuring range:Up to 40m Laser distance tester,laser range finder Hand-held Laser Distance MeterI.Product Specification Product ModelPD-23Measuring Range40mAccuracy±3mmLeast show units1mmLaser level Class2Laser style635nmLaser power<1 mwMeasuring functionsContinuous, PythagoreanSurface area, volume measurementBuilt-in level vialWaterproof & ...