The Kestrel DROP D3 is designed to monitor and record a full suite of environmental conditions, including temperature, humidity, heat index, dew point temperature, barometric pressure, density altitude and pressure trend in a variety of indoor, outdoor and industrial applications. Kestrel DROPs are ideal for monitoring conditions in manufacturing, transportation and shipping, shooting and hunting, facilities management, agriculture, healthcare and pharmaceutical organizations, firefighting, the military field, and recreational and in-home use. Put a DROP virtually anywhere and ensure safe conditions when you can’t be there.