40M Handheld Digital Laser Distance Meter Range Finder

Features
High accuracy and wide measuring range up to 40m.
Quick measurement of distance, area and volume with one button operation.
Automatic calculation of area and volume.
Indirect measurement by Pythagorean theorem.
Min / Max distance tracking (display value).
Easy addition / subtraction of measurement.
Set up front / rear benchmark.
Switchable among meter (m), inch (in), feet (ft).
Easy targeting with bright laser pointer.
Large LCD with backlight.
Display illumination and multi-line display(4 lines).
99 data records and recall function.
Bubble level equipped as a spirit level tool.
Auto correction and error report technology.
Battery status indication.
Specifications
Measuring range 0.2 to 40m
Accuracy 2mm
Laser wave length 635nm
Laser maximum output