Features: brand new and high quality Good appearance: Adopted alloy frame, the thermometer and hygrometer are not only very durable, but also have exquisite workmanship and delicate appearance. Function: Mainly used for humidity and temperature measurement of musical instruments such as violin and guitar. Measurement range: measure humidity in the range of 20 ~ , showing at ℃, measure temperature in the range of -25 ~ 131.0 ° F / -13 ~ 130 ℉, showing at ℉. Nice Accessory: The thermometer and hygrometer is mini and portable to put in the violin or guitar for case, no battery needed, it clearly shows the current humidity and temperature. Very good for the storage and care of your valuable instrument. Excellent Gift: This thermometer and hygrometer is a practical device for instrument lovers, the person who receives this gift will be very happy. Specifications: Material: Alloy Size: 4.3cm/1.69in Color:Gold/Silver Package Includes: 1 x Round Guitar Thermometer. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!