Speedtech Skymaster Windmeter

This easy-to-use device measures wind speed, temperature, wind chill, heat index, humidity, dew point, altitude and air pressure along with 16-hour pressure tendency. It's like having a complete weather observation station in the palm of your hand. Storm alarm threaded for tripod mounting. Folding design protects when not in use. Runs on 400-hour lithium battery (included).