This handheld Portable Multi-Function Anemometer provides vital weather information on-the-go. Highlights of this handheld weather station include a wind meter, plus readings for temperature, humidity, and altitude. It also offers helpful features like high and low records, wind chill and heat index calculation, an LCD backlight for easy viewing, and a handy inspection light. Perfect for hiking, boating, golf, hunting and fishing, outdoor sports, and more. The portable anemometer has an integrated hanger and tripod mount and requires three AA batteries (not included).