Mini wind speed meter to detect multi-function wind direction

Description

Product parameters:Wind speed measurement: 0 ~ 30m / sResolution: 0.1m / sAccuracy: ± 5% dg + 0.5Resolution: 0.1 ℃Accuracy: ± 2 ℃Temperature measurement: -10 ℃ -50 ℃Applicable battery: 9vWeight: 500gSize: 160mm * 52mmNote: This product does not contain batteries