Features:1.Material:High quality ABS material, mini appearance, portable and convenient to carry2.Functions:Area volume measurement, Pythagorean theorem function, addition and subtraction measurement, unit conversion, data clearing, battery level display, measurement benchmark selection3.Measurement range: 0.05-40M, accuracy ± 2mm, function: single measurement, continuous measurement (maximum/minimum)4.Laser automatic shutdown: 30 seconds, instrument automatic shutdown: 180 seconds, stored data: 20 sets,5.Distance unit: M/ft/in; Area unit: m ²/ ft ², Laser type: 620-690nm, laser level: secondary laser<1mW, working temperature: 0-40 , storage temperature: -20~65 ,6.Battery: Alkaline AAA 2 * 1.5V, measurement frequency:>5000 times, dual blister, dual color adhesive mold, large optical dual hole lenses7.Suitable for various scene modes. Maximum measurement range of parameters Parameter:Maximum measurement range of parameters: 40M.60M.80M.100MMeasurement unit: meters/inches/feet/feet+inchesAutomatic laser off: 30 seconds Automatic instrument off:180 second measurement range: 0.05-40M, accuracy ± 2mm,Laser level: Secondary laser<1mW,Working temperature: 0-40 ,Storage temperature: -20~65 ,Battery: Alkaline AAA 2 * 1.5V, (excluding battery)Measurement frequency:>5000 times,Double blisterProduct size: 117 * 53 * 27mm Package include:Rangefinder * 1+hand rope * 1+manual * 1