Technical Specifications Real Time MeasurementsDistance of cloud to ground lightning strike as far away as 40 milesVisual and auditory feedback of lightning strike distancesTemperatureAtmospheric pressureRelative humidityHeat indexDew pointAltitudeSmall, portable, handheldEasy to use touch screen displayRugged, highly water resistantUSB charged Lithium battery poweredLow battery indicatorUser selectable dashboard so you can select the information most important to youUpdatable software interface SensorRangeAccuracy (+/-)Pressure300 – 1100 hPa8.86 – 32.49 inHg4.35 – 15.95 PSI0.1 hPa0.03 inHg0.01 PSIHumidity10 – 90 %RH5% over temp rangeTemperature-25C – 85C (-13F -185F)1.0CLightning0 – 40 milesN/ALength4.5 in (11.4 cm) Width3.7 in (9.4 cm) Height1.2 in (3.0 cm) Buy Now