40M 60M 100M Laser Rangefinder Digital Laser Distance Meter for Engineer Laser Range Finder Construction Tools With LCD Backlight            Features:     & 12304;Higher Accuracy& 12305;: Distance measurement precision ±3mm and measuring distance extends to 40M, 60M, 100M(131FT, 197FT, 328FT). No need to wait, it gives you an easy and quick measurement.  & 12304;3 Units& 12305;: Free adjustment unit among M(meter)/In(inch)/Ft(feet) for your needs. & 12304;LCD Backlight& 12305;: 3 line of data LCD display and high definition backlight. Help you reading and comparing data clearly and conveniently in all directions. & 12304;Multiple Measurement Modes& 12305;: Distance, area, volume measurement, continuous measurement and measurement by pythagoras. Compact and lightweight design, easy to carry and put in your pocket. & 12304;Various Settings& 12305;: Automatic calculation of area and volume, 20 groups data memory, self calibration, +/- measurement, automatic shutdown, Max & Min values measurement assure you a easy and quick measurement to improve working efficiency. & 12304;Wide Application& 12305;: Ideal for home, construction and industries, especially in large area such as rooms, apartments, buildings, real estates, factories, warehouses, etc.            Specifications:     Model: MKL-201 Measurement Accuracy: ±3mm Measuring Range: 0.03-40M/131FT, 0.03-60M/197FT, 0.03-100M/328FT Display Minimum Unit: 1mm Single Measurement Time: 0.1~4 seconds Units of measurement: M(meter)/ft(feet)/in(inch) Laser Level: Class & 8545; Laser Type: 620~670nm Laser Power: <1mW Continous Distance Measurement: Support Area Measurement: Support Volume Measurement: Support Pythagorean Measurement: Support +/- Measurement: Support Maximum and Minimum Measurement: Support Store the Data: 20 sets of data Switch of Measurement Datum: Support Display Lighting: Support Buzzer: Support Power Supply: 2pcs 1.5V AAA alkaline batteries (not included) Battery Life: Can perform 5000 measurements Operating Temperature: 0& 8451;~40& 8451; Storage Temperature: -20& 8451;~60& 8451; Self-closing Laser: 15 seconds Automatic Shutdown: 120 seconds Size: 4.72*2.2*1.06 inch / 120*56*27 mm