This compact case hygrometer is made of selected material, delicate and durable. The sturdy frame ensures that it will not break or deform easily. High-precision measurement, accurately displays humidity. And this hygrometer is a necessary tool for cigar case. Features -Color:Multi -Material:Metal -Size:2.80X2.80X0.90cm/1.10X1.10X0.35in -Compact and portable, suitable for various scenarios, delicate and durable. -High-precision measurement, accurately displays humidity, and can serve you for a longtime. -Multi-functional design, and the hygrometer can be used for cigar boxes, violin cases, etc. -The material is sturdy and durable, which is wear resistance and practical for the long time use. -This small hygrometer is essential for home use, helps maintain comfortable indoor humidity. -Cautions: -When using for the first time or changing the environment, please hang the product in an open and well-ventilated area so that the measured value is closer to the ambient value. -Do not place this product near heat or cold sources! Do not use this product beyond its measurement range! -The local index should not exceed or fall below the value on . -Avoid direct sunlight, as the temperature under sunlight will be much higher than the air temperature due to the metal sensor. -This product is a hygrometer that on physical sensing -An error of ±5% is normal -If the pointer reading is inaccurate, blow warm air a few times towards the small hole on the back of the humidity pointer. If the humidity pointer changes, the hygrometer is indicating correctly Package list: 1 x Hygrometer