SH-TWG Wind Gauge - Measures Speed, Temp. & Wind Chill in 10ths
Has following features: Current maximum wind speed. Average wind speed over 5, 10, or 13 seconds. Choose from any measurement unit. Reads in tenths. Current temperature and wind chill. Replaceable 400 hour lithium battery. Data lock feature. Replaceable plastic impeller will not corrode. Comes with lanyard. Threaded for tripod mounting. Adjustable tripod. Accuracy is +/- 1%, when aligned with wind's axis.