Trendbox LCD Digital Wind Speed Gauge Meter Anemometer Thermometer GM816 Automatic Electronic Tester Pocket Portable Handheld

Features: A Professional measuring instrument with large-screen LCD and backlight, easier to read it in a dark. Anemometers are devices that spin in the wind then calculate wind velocity based on how fast they spin. The Digital displays will provide a simple read out that tells the user how fast the wind is blowing. An ideal tool for windsurfing,sailing,mountaineering and kite flying. You can also use it for industrial and home purposes. Auto power off, Low battery indication. Specifications: Air Velocity Specification: Range: 0 - 30 m/s, 0 - 90 km/h, 0 - 5860 ft/min, 0 - 65 mph, 0 - 55 Knots. Resolution: 0.1 m/s, 0.3 km/h, 19 ft/min, 0.2 mph, 0.2 Knots. Threshold: 0.1m/s, 0.3 km/h, 39 ft/min, 0.2 mph, 0.1 Knots. Accuracy: +/- 5%. Air Temperature Specification: Thermometer: NTC Thermometer. Range: Between -10°C and 45°C (between 14°F and 113°F) Storage Temperature: Between -40°C and +60°C, between -40°F and 140°F. Resolution: 0.2°C, 0.36°F. Accuracy: ±2°C, ±3.6°F Current Consumption: About 3mA Operating Humidity: Less than or equal to 90% RH. Product Weight: about 63g Package Included: 1 x Digital Anemometer 1 x Instructions 1 x 3V CR2032 battery