Multi-function weather meter with vane mount and wireless Bluetooth LiNK (iOS/Android compatible) 14 measurements: wind speed/direction/chill, air/water/snow temperature, humidity, pressure and more Large display is backlit and has night vision preserving lighting for readability day or night Rugged, drop-tested (MIL-STD-810G), waterproof (IP67) design is made in the USA The next generation of weather monitoring is here with the Kestrel 5500 Weather Meter. This Kestrel meter does it all. The Kestrel 5500 provides the same trusted accuracy, reliability, and usability as the original Kestrel 4500. Measure every environmental condition plus wind direction, crosswind and headwind/tailwind. Use it golfing, sailing, flying, spraying, shooting and more. Drop-proof, dust-proof, waterproof and able to withstand extreme environments without damage, your Kestrel weather meter travels with you anywhere you dare to go. A range of carry pouch options makes it even easier to take your Kestrel meter with you.