Description: ACCURACY ±3mm, laser measure electronic angle sensor shows the angle measured, the data is more accurate. MULTIPLE MEASUREMENT: Area, distance,volume, Pythagorean measurement, continuous measurement. LCD backlight screen, reading is more clear and bright, memory date functions. 20 groups data memory; memory data function; Auto shut down to save power. Applicable for interior /exterior design , constrcution , factor supervison,engineering inspection, fire assessment etc. Specification: Material:Plastic Measuring range:40/60/80/100 (m) Measurement accuracy:±3 (mm) Application range:0.05-100m Battery type:AAA (NOT INCLUDED) Resolution: 0.001 Temperature range:0°C to +40°C Accuracy: + / - 3 mm Dust and splash proof: Yes Maximum storage :20 groups Material: ABS. Maximum storage :20 Maximum value/Minimum value :0.05/100m Size Chart: approx. 110.5x46.3x24.3mm/4.35x1.82x0.96inch Package Includes: 1x Distance Meter 1X Storage Bag 1x Instruction Book 1x Lanyard