... Multi-Measurement: horizontal, vertical, diagonal, continuous, Max/Min… ModelMDL-60Range (indoor)0.1m~60m ... < 1mwMeasuring ModesAddition, SubtractionCircumference, Area (Surface), VolumeContinuous, Max/Min, Pythagorean MeasuringData DisplayIlluminated LCD Display; 4 LinesData StorageMax ... : DC 3V, 2´AAA;Battery Life: Up to3000 MeasurementsAuto Power-off: after 180secs;TemperatureOperating Temperature ...