Skymaster Weather Meter Model SM-28

Measures current, average and maximum windspeed, temperature with wind chill and heat index, relative humidity with dewpoint, current barometric pressure with a 16-hour pressure history bar graph, and altitude. The convenient pocket-knife design protects the meter when not in use. Other features include a storm audio alarm, data hold to freeze most recent display, a high-visibility water-resistant housing, a replaceable 400 hour lithium battery, a replaceable plastic impeller, a lanyard, threads for mounting on a tripod, and it reads in tenths for any measurement unit you choose. Two-year manufacturer’s warranty.