A Kestrel DROP is the world’s easiest-to-use rugged environmental data logger. It allows you to monitor and record the conditions of any environment and easily access and chart real-time and historical data on your phone or tablet. A Kestrel DROP D2 logger can be placed wherever needed to log temperature, humidity, heat index and dew point, with the data logs retrieved wirelessly and automatically to the Kestrel Connect app. Kestrel DROP loggers are designed to be used ANYWHERE you need to track environmental conditions. DROP loggers meet military and international standards for water, dust and shock resistance (IP-67 and MIL-STD-810G) and are equipped with a sturdy D-ring for hanging wherever needed.