Function: This thermometer provides accurate humidity and temperature readings for indoor use. Air comfort indicator: Level icons indicate air comfort, ideal for monitoring household living conditions and health. Clear reading: Large numbers allow easy readability. Convenient design: Can be attached to a refrigerator or placed on a table using the hanging hole and back stand. Application: Suitable for office, bedroom, living room, bathroom, school, and more. Good quality: Made from high-quality ABS plastic, sturdy and durable, with a stylish design that complements your room decor. Specifications: Material: ABS Color: White Item dimensions: 43 x 43 mm Measuring temperature range: -50C ~ 70C (14F ~ 158F) Measuring humidity range: 10% ~ 99% RH Battery operation: Requires 1 x CR2032 button battery (not included) Package included: 1 x Thermometer Notes: 1. Due to differences in monitors and lighting effects, the actual color of the item may vary slightly from the images shown. 2. Please allow 0.1-2 cm measurement deviation due to manual measurement.