Wadfow Laser distance detector WDL1520

Measuring Range:0.05-100m
Measuring Accuracy:?2.0mm
Laser Type:635nm, <1mW, Class 2 With angle measurement Function:single measurement/continuous measurement/indirect measurement/area measurement/volume measurement/single pythagorean theorem measurement/double pythagorean plus/double pythagorean minus/double area measurement Battery: 2*1.5 AA Operating temp:0?C ~ +50?C Packed by color box