Ingco HLDD1008 Laser Distance Detector Range:0.05-100m

"Measuring Range:0.05-100m Measuring Accuracy:±2.0mm Laser Type:635nm, <1mW, Class 2 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"