Tobestronger GM8908 LCD Digital Wind Speed Temperature Measure Gauge Anemometer This weather device is an ideal tool for windsurfing,sailing,mountaineering and kite flying. You can also use it for industrial and home purposes such as measuring speed and temperature of CPU computer fans- air-conditioners- airflow over the roof or walls This Wind Speed Temperature Gauge Anemometer with LCD digital display is ideal for weather enthusiast or professional to measure air velocity and air temperature accurately This handy palm sized anemometer with strap for convenient carrying Wind chill indication and Beaufort scale GM8908 With a chain for easy carrying