Offers the most valuable features - windspeed and temperature, with windchill calculation, all in a compact device. Fits in any pocket or backpack and is easy to access. Single button operation allows for easy measurements, and the display has a backlight; handy for lowlight conditions. Designed with Swiss precision and accuracy. 3.5 x 1.5 x 0.75. Features: Windspeed, max windspeed, temperature, windchill, backlight, stainless steel back, replaceable lithium battery. Water resistant, includes lanyard. Wind: up to 94 mph +/- 3%. Temp: -40 to 176 F +/- 0.5 F.