Ambient Weather WM-3 Handheld Weather Meter with Temperature and Humidity The Ambient Weather WM-3 is a comprehensive handheld wind meter with wind speed, temperature, humidity, wind gust, and Beaufort Scale. The wind meter features an ergonomic design, built in backlight, neck lanyard, and soft carrying case. Other features include wind hold mode, wind average mode, and low battery indicator. This is an aftermarket of generic part