Laser distance meter 40M 60M 80M 100M rangefinder trena laser tape range finder build measure device ruler test toolBrand Name: SNDWAY Measurement Accuracy: + 2mm Power Type: Battery Powered Model Number: SW T40,SW T60,SW T80,SW T100 Size: 112*50*25mm Measure: distance, area,Volume, Pythagorean Measurement unit options::: mm in ft Addition Subtraction of measurement: YES Data Hold Data clear function: YES laser rangefinder: laser measure laser range finder: laser distance measurer construction tools: laser tape measure laser meter: Diastimeter laser ruler: