Round Temperature Gauge for Guitar and Violin Cases, Instrument Care, Compact and Portable with Alloy Frame

[COMPACT AND PORTABLE DESIGN] Its round shape and compact size, with an outer diameter of approximately 1.7 inches, make it incredibly easy to carry and store. Weighing only 26 grams, this lightweight hygrometer won't take up valuable space in your instrument case, allowing you to keep it readily accessible without any clutter. [NO BATTERIES REQUIRED] Operating without the need for batteries, this mechanical hygrometer provides continuous and hassle-free monitoring. It delivers a constant and reliable reading of humidity and temperature levels inside your case, ensuring your instrument is always stored in optimal conditions to prevent damage from drying out or overheating. [IDEAL FOR INSTRUMENT MAINTENANCE] Specially designed for musical instrument enthusiasts, this thermometer and hygrometer is perfect for monitoring the environment inside violin and guitar cases. Maintaining optimal humidity and temperature levels is essential. Maintaining the correct temperature is crucial for preserving the wood, finish, and sound quality of your prized instruments, preventing cracks and warping. [DURABLE ALLOY CONSTRUCTION] Crafted with an alloy frame, this instrument care tool boasts an exquisite finish and delicate appearance. The sturdy metal casing not only adds a touch of elegance but also ensures a long lifespan, making it a reliable companion for your violin or guitar case. [ACCURATE MEASUREMENT] This dual-function thermometer and hygrometer accurately measures humidity from 20% to 100% RH and temperature from -25°C to 55°C (-13°F to 130°F). The clear dial displays both Celsius and Fahrenheit scales, allowing you to monitor the environmental conditions of your precious musical instrument with ease and confidence.