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This compact and portable 8-in-1 anemometer can be used to measure wind speed, wind chill, air temperature, humidity, heat index, dew point, barometric pressure and altitude especially when flying an aeroplane, helicopter or drone.

Features:
- Compact & Ultra-light: pocket-sized product comes with a storage pouch and lanyard for convenient carrying.
- LCD Display with Backlight: Humanized design for easy clear reading.
- 8 Functions Included: Wind speed, wind chill, air temperature, humidity, heat index, dew point, barometric pressure and altitude.
- Switchable Units: Temperature: °C, °F; wind speed: m/s, ft/min, knots, km/h, mph.
- Additional
Features: Available maximum, minimum and average value of measurement; automatic & manual power-off function; data hold function; calibration function.
- Wide Application: It is suitable for measuring 8 parameters mentioned above when flying an airplane, helicopter, drone, model aircraft, hiking, mountaineering, voyaging, golfing, hunting, shooting, fishing or other outdoor activities.

Specifications:
Model: TL-303
Material: ABS
Color: Black
Power Supply: 1 * rechargeable 300mAh lithium polymer
Wind Speed Range: 0~30m/s; 0~5860ft/min; 0~55knots; 0~90km/h; 0~65mph
Resolution: 0.1m/s; 19ft/min; 0.2knots; 0.3km/h; 0.2mph
Accuracy: ±5%
Wind Chill Range: -40~10°C (0~30m/s); -49~50°F (0~65mph)
Resolution: 0.1°C; 0.1°F
Accuracy: ±1°C; ±1.8°F
Temperature Range: -29~70°C; -20~158°F
Resolution: 0.1°C; 0.1°F
Accuracy: ±1°C; ±1.8°F
Relative Humidity Range: 0~100%RH
Resolution: 0.1%RH
Accuracy: ±3%RH
Heat Index Range: 21.1~54.4°C (0~100%RH); 70~130°F (0~100%RH)
Resolution: 0.1°C; 0.1°F
Accuracy: ±2°C; ±3.6°F
Dew Point Range: -29~70°C; -20~158°F
Resolution: 0.1°C; 0.1°F
Accuracy: ±2°C; ±3.6°F
Barometric Pressure Range: 10~1100hpa; 10~1100mbar; 0.29~32.48inHg
Resolution: 0.1hpa; 0.1mbar; 0.01inHg
Accuracy: ±1.5hpa; ±1.5mbar; ±0.05inHg
Altitude Range: -700~9000m; -6000~30000ft
Resolution: 1m; 1ft
Accuracy: ±12m; ±50ft
Item Size: Approx. 11.5*4*2cm / 4.53*1.57*0.79in
Item Weight: Approx. 47g / 1.66oz
Package Size: Approx. 16.2*10*2.3cm / 6.38*3.94*0.91in
Package Weight: Approx. 100g / 3.53oz
Note:
Please read the Users Manual before use.
Please use calibration function with caution.
Packing List:
1 * Digital Anemometer
1 * USB Charging Cable
1 * Storage Pouch
1 * Lanyard
1 * Users Manual(English)