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. Precision Humidity Monitoring: With a built-in sensitive sensor, the humidor hygrometer ensures accurate humidity control with a small error rate. It automatically updates readings every 10 seconds. Convenient Setup: Swiftly set up the humidor hygrometer in wine cabinets, piano boxes, and storage containers of similar shape. Experience humidity control with ease. Streamline Humidor Management: Let the humidor hygrometer be your assistant for work and life. Quickly grasp the humidity and temperature measurements. Clear Display: Featuring a clear digital display and sleek appearance, this hygrometer offers a refined look, full of elegance. This small hygrometer is made of high-quality metal material for durability. It provides accurate humidity detection and is suitable for monitoring wine cabinets, wine boxes, piano boxes, and more. A helpful tool for both work and personal use. Product name: humidor hygrometer Temperature measurement range: -50 - 70°C Temperature measurement accuracy: +/-1°C 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 16.3mm / 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 vary slightly from the real thing. The measurement allowed error is +/- 1-3cm.