MULTIPLE MODES: The Pyle Sports Multifunction Digital Watch measures the wind speed in both km/hr and on the Beaufort wind scale thus fit for sailing and hiking enthusiasts. Equipped w/ altimeter, barometer, compass, yacht timer, and chronograph PROPELLER BLADE: Features a propeller blade responsible for measuring the wind speed. When the propeller face the wind, it rotates at a rate that is directly proportional to the wind. Shows the average, max and current wind speed or wind chill factor WATER RESISTANT: The active watch gear is waterproof up to 33 feet/10 meters/1 ATM making it suitable for use in moist areas. Also equipped with a chronograph with resolution up to 1/100 of a second and which memory can record and save up to 10 laps EL BACKLIGHT: The electroluminescent backlight allows you to use the watch in low-light conditions or at night. Sail, climb, travel and enjoy the great outdoors any time of the day like never before. Perfect for fitness, hike or outdoor activity use ACCESSORIES INCLUDED: Includes a neck cord and a plastic clipper so users have the option to wear it on their neck. The smart sport tracker also include a nylon pouch case for proper storage keeping your device away from dust and dirt when not in use