Features:
Measure wind speed and temperature.
High precision pressure sensor.
Quick response, external thermistor.
Wind speed range: 0-30 m / s.
Wind speed unit: m/s, km/h, m/min, knots, mph.
Current / max. / average wind speed reading.
Temperature display in ℃ / °F
Wind temperature range: -10 - 45 °C (14 to 113 °F)
Large, easy to read LCD display with backlight.
Data hold function.
Automatic / manual stop.
Powered by a CR2032 3V battery (not included)

Specifications:
Air Speed:
Range: 0-30m/s, 0-90 km/h, 0 - 5860ft/min, 0-65mph, 0 - 55Knots
Resolution: 0.1m/s or 0.3km/h, 19ft/min, 0.2mph, 0.2Knots
Threshold: 0.1m/s or 0.3km/h, 39ft/min, 0.2mph, 0.1Knots
Accuracy: ± 5%
Air Temperature:
Range: -10 - 45℃, 14 - 113°F
Resolution: 0.2℃, 0.36°F
Accuracy: ± 2℃, ± 3.6°F
Power Supply: 1 * 3V CR2032 battery (not included)
Thermometer: NTC thermometer
Operating Temperature: -10 ~ 45℃ (14 ~ 113°F)
Operating Humidity: Less than or equal to 90% RH
Storage Temperature: -40 ~ 60℃, -40 ~ 140°F
Power Consumption: About 3mA
Item Size: 10.5 * 6 * 2cm / 4.13 * 2.36 * 0.79in
Weight: 63g / 2.22oz