Description: This is a compact thermometer and hygrometer for your guitar or violin case. You can check the humidity and temperature of your guitar or violin case Small round thermometer and hygrometer. It can be inlaid in the guitar and violin case. Great for your violin and guitar case. It can be also used in hotel, home, office, etc Two Temperature Scale: Fahrenheit and centigrade Temperature Range: -25 ~ 55 centigrade, -13 ~ 130 Fahrenheit Hygrometer Range: 20 ~ 100 Size Chart: External Diameter: 4cm Thickness: 1cm Package Includes: 1 x Thermometer and Hygrometer
