PRODUCT SPECIFICATION: The wind speed range of this wind thermometer is 0-30m/s, 0-5860ft/min, 0-55knots, 0-90km/h, 0-65km/h. Resolution: 0.1m/s, 19ft/min, 0.2knots, 0.3km/h, 0.2mph. Temperature range: -10~45C : This portable anemometer is a practical instrument for measuring wind speed and temperature. The anemometer has an LCD display with backlight, easy to read WIDE APPLICATION: This wind speed meter is an ideal tool for measuring air velocity of home, office, car, air conditioner, exhaust fan, navigation, etc. You can also use the portable wind speed anemometer for industrial and domestic purposes such as measuring airflow speed and temperature on the roof MULTI-FUNCTION: The wind speed unit can be switched: m/s, km/h, ft/min, knots and mph. With wind vane and wind chill indicator. The temperature unit can be switched: degrees centigrade (C) and degrees Fahrenheit (F). Features: 1. This portable anemometer is a practical instrument for measuring wind speed and temperature. 2. The wind speed unit can be switched: m/s, km/h, ft/min, knots and mph. 3. With wind vane and wind chill indicator. 4. The temperature unit can be switched: degrees centigrade (C) and degrees Fahrenheit (F). 5. LCD display with backlight, easy to read. 6. Comes with a hand rope, convenient and easy to carry. 7. With maximum, minimum and average measurement functions. Specification: Material: ABS 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 Temperature Range: -10~45C Power Supply: 9V battery (not included) Package List: 1 * Anemometer 1 * Cloth Bag 1 * Manual 1 * Hand Rope Color: Black Size: 165*85*39mm Delivered quantity: 1 piece becomeveryrich