1. Long-lasting Build: The small hygrometer is crafted from high-quality metal for durability, ensuring good pointer stability and sturdy enough for long-term use. 2. Precision Humidity Monitoring: With a built-in sensitive sensor, the hygrometer ensures accurate humidity control with a small error rate. It automatically updates readings every 10 seconds. 3. Convenient Setup: Swiftly set up the hygrometer in wine cabinets, piano boxes, and storage containers of similar shape. Experience humidity control with ease. 4. Streamline Humidor Management: Let the hygrometer be your assistant for work and life. Quickly grasp the humidity and temperature measurements. 5. Clear Display: Featuring a clear digital display and sleek appearance, this hygrometer offers a modern design that complements any environment. This small hygrometer is made of high-quality metal material for durability. It provides accurate humidity detection and is ideal for monitoring wine cabinets, wine boxes, piano boxes, and more. A reliable helper for both your work and personal life. Product name: humidor hygrometer Temperature measurement range: -50 - 70C Temperature measurement accuracy: +/-1C Temperature resolution: 0.1 (0.2)C Humidity range: 10%-99% Humidity measurement accuracy: +/-5% Humidity resolution: 1% Battery: 2 x 1.5V LR44 button batteries (included) Product size: about 48.7 x 29.6 x 16.3 mm / 1.92 x 1.17 x 0.64 inches Color: As shown Material: ABS + Metal Package Contents: 1 x humidor hygrometer Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.