Specification:Wind Speed Range(Resolution): 0.3~30 m/s (0.1)   59~5905 ft/min (19); 1~55Knots (0.2); 2~90 km/h (0.3) / 1~65 mph(0.2) Wind Speed Accuracy: ±5% Temperature Range (Resolution): -10~45℃ (0.2)/ 14℉~113℉ (0.36) Temperature Temperature: ±2℃/±3.6℉ Volume Units: CMM (M3 / MIN), CMS (M3 / S),CFM (FT3 / MIN) Volume Range: 0-999900 Volume Resolution: 0.001-100 Volume Area: 0.001-9999 Lithium Battery Model: 60204(400mAh) Charging time: 2 to 3 hours Operating Temperature: -10℃~45℃(14℉~113℉) Relative Humidity: ≤90%RH Storage Temperature: -20℃~50℃(-4℉~122℉) Current Consumption: Approximately 3mA Dimensions: 203*87.3*87.3mm Weight: about 180g Package: 1* INFURDIER Wind Cup Anemometer 1* User Manual 1* Package 1*Charging Cable
Cup Wind Anemometer: The cup-style anemometer 5 units( m/s, km/h, ft/min, knots, mph) for 0.3-30m/s wind velocity measurement, able to measure wind temperature( -10℃~45℃) measurement in ℃/℉ and airflow volume test in CMM, CMS, CFM
Sensitive Touch Button: Features with upgraded touch buttons, the speed meter is sensitive to response in seconds, easy to switch from different measurement modes and unit settings for a smooth user experience
Waterproof and Anti-dust: Designed with a smooth surface, the airflow tester is waterproof and anti-dust, more durable, and stable for daily use. The large LCD screen backlight ensures clear reading for the wind speed / wind volume / temperature even in the dark
Rechargeable 400mAh Battery: Built-in a 400mAh rechargeable Lithium battery, 3mA low battery consumption, auto-off in 5 minutes（also manual off)， our wind gauge is a reliable helper for flying kites, drone flight camping, sailing, marathon, climbing, shooting, etc
Airflow Meter: The cup wind speed meters data hold function, are able to display MAX / MIN / CURRENT readings for wind speed / wind volume measurement, weigh only 180g, easy to carry