digital distance meter 1,Continuous Measurement,Pythagoras Measurement, Plane Area Measurement, Volum 2,simple us digital distance meterPD-56 Technical Data Measuring Range0.05 ... to 5000 MeasurementsDimension & Weight118mm x 55mm x 30mm, 120gTemperature Range:-25°C~70°C (Storage)0°C~ 50°C (Operation) digital distance meter