Description: Brand new and high quality small round hygrometer Great for acoustic/wood guitar, easy to use It can be also used in hotel, home, office, etc Ideal humidity for a string instrument is between 40 and 70% Providing accuracy and sensitive detection for humidity Convenient for warning you to do maintenance for your favorite instruments Specification: Material: Metal Color: Golden Diameter: approx. 4cm/1.57inch Package Includes: 1x Hygrometer
