Data at Your Fingertips: Experience the power of integrated technology as our anemometer measures wind velocity, wind temp, air flow, and wind chill. With Bluetooth functionality(download the app first), our anemometer connects to your smartphone or tablet within a 32.8-foot (10 m) range. Wind speed range: 0 to 78.4 mph (5%+0.5m/s), wind temperature range: 14 to 140℉ (±3.6℉). Step into the future of data transfer! 24/7 Clarity You Deserve: Say goodbye to guesswork, day or night. Our anemometer boasts a distinctive LED backlight screen that ensures effortless readings in any lighting conditions. Choose the wind speed with six different units - m/s, km/h, ft/min, mph, knots, and supports bft. MAX/MIN/AVG/CU wind speed display. Tailor your measurements to your liking and stay in control. Adapt to All Conditions: Ready for a wind speed measuring device that thrives in all conditions? Rain or snow, our anemometer has you covered. With an IP44 waterproof rating (excluding the vane unit), ensuring accurate measurements. The wind checker features an automatic shutdown mode, turning off after 5 minutes of inactivity, and a low-battery alert, so you'll never be caught off guard. Out-of-the-Box Ready: Our anemometer comes with 1 x 9V batteries ready to power your measurements. Keep your anemometer secure with the included lanyard, ensuring it stays within reach. Safeguard your anemometer during transit and when not in use with the storage bag. Choose our air flow meter for a hassle-free experience from the moment you open the box. For All Walks of Life: Hold our anemometer in your hand for mobile measurements, or effortlessly connect to a tripod for precise fixed-point measurements. Whether you are involved in outdoor activities, model airplane flying, weather observation, or working in construction, agriculture, or navigation, our handheld anemometer is your go-anywhere, do-anything companion. Package Content 1 x Anemometer 1 x Lanyard 1 x Storage Bag 1 x 9V Battery 1 x User Manual