D'Addario PW-GH-HTS Acoustic Guitar Digital Humidity/Temperature Sensor Overview
Keeping your guitar properly humidified is an essential step to guard against environmental damage and to keep your guitar playing its best. Planet Waves Humidifier & Temperature/Humidity Sensor make instrument humidification simple and worry free. Suspended by the strings inside the guitar body, the humidifier releases moisture slowly and evenly inside your guitar, yet never touches the guitars body and is easy to maintain.