laser distance meter 60m 80m 120m rangefinder laser tape range finder measure length area volume ruler test toolMain features 1. Distance/ Area/Volume measurement.2. Pythagorean proposition indirect measurement 3. Voice broadcast function 4. Single/Continuous measurement 5. Addition/ Subtraction Measurement. 6. Units and benchmark selectable. 7. Automatic horizontal and vertical 8. Rechargble lithium battery for power supply Applied range * Used for interior design and decoration technology filed. * Construction supervision & on-site detection function. * Real estate, fire control and assessment of industry planning. * Public facilities use. Technical indexes: Measurement distance NF-273L 60m/80m/100mAccuracy 2mmTest time 0.2~3SLCD screen FSTN with backlightButtons 7Units m/ft/in/ft+inBenchmark single/continuous measurement Distance/ Area/Volume measurement Pythagorean proposition measurement addition /subtraction measurement Voice broadcast bluetooth 4.x ( Bluetooth function does not support iPhone )Data storage 99 setsLaser auto-off 30sAuto-off time 2minsPower supply 850mAh Lithium battaryWorking temperature 040Storage temperature -1060Protection level IP40 Package Include: 1 X laser distance meter