Brunton ADC Wind. Keep a close, accurate eye on the sky and current conditions. Displays current, max and average wind speed (in km/h, mph, ft/s, m/s, or knots). Shows current temperature and past 24 hour temperature tendency, average and minimum wind chill. Wind chill alarm. Water flow meter. Real time clock with time, day and date. Chronograph operation. Race timer. Waterproof.