Features: High-quality Material: Our cigars hygrometer is made of high-quality alloy material which is durable corrosion-resistant not easy to break and can be used for a long time. Luminous Design: The hygrometer has a luminous function and the humidity can be clearly observed in the dark. The inlaid design is easy to install in the humidor and different storage boxes. Good Stability: Our cigars hygrometer is equipped with high precision clear numbers accurate scale good pointer stability and its humidity error is +/-5%. Low-Key Design: This cigars hygrometer is equipped with a beautiful shape design round gold shape shows understated luxury you will not regret buying it. Portable to Use: Our cigars hygrometer is as small as a coin and it is lightweight and very portable. It does not need batteries purely mechanical movement so no need to replace batteries very convenient. Specifications: Product Size:Dial diameter: 36mm Back diameter: 32mm Thickness: 9.7mm Error: +/-5%RH (between 40~70%RH) Humidity range: 0%-100% Material:Alloy + Acrylic Weight:21g Notes: 1.Due to the effects of light and shooting angle the actual color of the item may differ slightly from the color shown on the picture. 2.Due to manual measurement please allow 1-3cm measuring deviation.Thank you for understanding! includes: 1 * Cigars Hygrometer "