Digital Anemometer Handheld Wind Speed Air Flow Meter Wind Tester LCD 0.3-30m/s

Wind speed unit:m/s km/h ft/min knots mph. Wind speed resolution:0.1m/s. Temperature resolution:0.2℃. Temperature unit:℃ Celsius℉ Fahrenheit. Low power consumption design, long-lasting durability. Auto power off:14 minutes without key operation.

eBay