ÃÒÂÅÐàÍÕ´ : TECHNICAL DATA 1.Measuring Range:0.3~100m 2.Accuracy:+/-2mm 3.Length,Area,Volume,Pythagorean theorem Measurement 4.Data sotre/recall Quick Details Place of Origin: Guangdong China (Mainland) Brand Name: SMARTSENSOR Model Number: AR881 Size: 132*63*34.5mm Measurement Accuracy:±0.2mm Measurement Range: 0.3-100m Measure Range: 0.3 to 100m Operation Condition: -10~50°C Storing Condition: -20~60°C 20sec laser auto sh... Battery Life: Single Measure Up to 5000 times Auto power off:: 5 mins Power:: 4* AAA battery (Included) for power supp... N.G: 230g Specifications Laser Distance Meter AR881: