Monitor your instrument"s environment! The first step in keeping your instrument in good condition is to be aware of the temperature and humidity in its storage location. The Humidi-Beat combines a metronome with a thermometer and hygrometer, allowing you to check the humidity and temperature. This portable, full-featured metronome provides enhanced rhythm training for every instrumentalist. The Humidi-Beat gives you a choice of five rhythm patterns: duplets, triplets, triplets with inner beats omitted, quadruplets, and quadruplets with inner beats omitted. All together you have a total of 15 variations that will cover your needs for a variety of instrumental practice.