Digital anemometer in measure wind speed as the basic ... /s0.3~45m/sWind volume range0.999900m³/ min0.999900m³/ min°C / °F√√Accuracy of temperature± 2°C± 2 ... m/s, Ft/min, Knots, Km/hr,Mphm/s, Ft/min, Knots, Km/hr,MphBack light√√Max / min air velocity measuring√√Average ... m/ s 0.2°CData hold function√√USB transmission√√IR thermometer -50~300 °CGeneral characteristics & Packing informationPower9 V Alkaline ...