Overview RockyMars® RA30 is an easy-to-use handheld anemometer and thermometer widely used in hiking, sailing, drone pilot, ventilation system, etc. Specification Wind Speed Range: 0m/s-30m/s. Resolution: 0.1m/s. Accuracy: +/-(5%rdg + 0.5). Units: m/s, km/h, ft/min, knots and mph. Temperature Range: -10°C~50°C (+/-2°C accuracy, 0.1°C resolution), or 14°F~122°F (+/- 4°F accuracy, 0.2°F resolution). Sampling …