866B-WM Handheld Digital Wind Speed Meter Air Volume Measuring Anemometer 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 windchill indicator. 4. The temperature unit can be switched: degree centigrade (°C) and Fahrenheit degree (°F). 5. LCD screen 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: Condition: Material: ABS Wind Velocity 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, 0.2mi/h Temperature Range: -10~45°C Power: 2 * 1.5V AAA Batteries (Not Included) Weight: Approx. 256g Package List: 1 * Anemometer 1 * Cloth Bag 1 * Manual 1 * Hand Rope