Kestrel 3500 Weather Meter/Digital Psychrometer

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Rugged weather meter for weather enthusiasts, first responders, EMTs and professionals who need accurate environmental measurements with Night Vision back lighting
Get all the data you need to know your conditions, shift strategies, reduce risk and ensure safety; Night Vision-Preserving (NV) back light optional
Get all the data you need to know your conditions, shift strategies, reduce risk and ensure safety; Night Vision-Preserving (NV) back light optional
Protective overmolded case, replaceable impeller, large backlit LCD, waterproof, drop tested, accurate NIST-Traceable measurements, Night Vision-Preserving (NV) backlight optional
4.8 x 1.9 x 1.1 in., 3.6 oz., includes replaceable CR2032 coin cell battery, lanyard; Made in USA and backed by a 5-year warranty