MusicNomad The Humitar ONE Acoustic Guitar Humidifier & Hygrometer

All in one, easy to use, no mess, low maintenance acoustic guitar humidifier, humidity & temperature monitor that is simple, accurate and reliable.  The accurate sensor monitors your string instrument's environment every 20 seconds and provides humidity and temperature readings on its LCD display.  It also gives you the maximum/minimum humidity & temperature range over the period you are measuring and can be reset at any time.