Laser distance meter Laser range finder NF-272L.NF-272L has upgraded many more functions,such as Level measurement, Vertical measurement, Voice broadcast, Degree measurement and SO on. land management and tax as well as charging of agricultural machinery working.Main features1. Distance/ Area/Volume measurement.2. Pythagorean proposition indirect measurement 3. Single/Continuous measurement 4. Addition/ Subtraction Measurement.5. Units and benchmark selectable. 6. Digital bubble.7. Automatic horizontal and vertical 8. Rechargble lithium battary for power supply