Is it too windy to operate your crane? Quickly measures current wind speed, wind chill, and temperature. Thanks to the patented external temperature sensor, the Kestrel 2000 can take accurate water and snow temperature readings, and since it is isolated from the case, you can be sure that the temperature the Kestrel Meter is reading is accurate and not influenced by your hand warming the unit. Forget speculating, know exactly what the conditions are with the Kestrel 2000. Rugged and durable, Kestrels are drop tested, waterproof and designed to float if dropped in water.