1,Compact Design 2,Display Air Velocity and Temperature and Windchill 3,Wind Speed Unit Selectable 4,Beaufort scale display

Measuring Range	-10°C~45°C
Wind Speed Measuring Range	0.3~30m/s
°C/°F Selection	√
Accuracy of temperature	±2°C
Accuracy ofWind speed	±5%
Auto /ManualPower Off	√
Low Battery Indication	√
BackightDisplay	√
Max/Min wind speed measuring	√
Average And current wind speed measuring	√
Resolution	0.1m/s 0.2°C
Measuring unit	M/s,Ft/min Knots,Km/hr,Mph

Power supply: CR2032 battery

Anemometer GM816