D'Addario Acoustic Guitar Humidifier with Digital Humidity and Temperature Sensor

Complete kit to monitor and control the humidity level of your acoustic guitar
Protects your instrument from cracks, deformations and other damage caused by lack of moisture.
The humidifier never comes into contact with the body of the instrument.
Humidifier releases moisture gradually and evenly
The humidity and temperature sensor accurately displays the temperature and humidity on an easy-to-read screen. It also has a clock, calendar and memory function.
Safe for all acoustic guitars