1. The thermometer has a durable stand and magnets that hold it securely in place. Suitable for baby rooms, bedrooms, outdoor balconies, garages, saunas, bathrooms, warehouses, vehicles, refrigerators, and guitar cases. 2. Suitable for various scenarios: basements, vacuum-sealed jars, cigar humidors, jewelry cabinets, gun safes, egg incubators, reptile breeding boxes, turtle houses, aquariums, hermit crabs, snake tanks, reptile breeding boxes, etc. 3. Equipped with a CR2032 button cell battery that can last for more than a year. You can easily turn it off when not in use to save battery power. Easily get accurate readings. Turn on the device and wait 3 to 5 minutes for automatic calibration. After calibration, readings may temporarily vary depending on indoor air conditions. 4. Air comfort indicator: This hygrometer with a humidity level icon indicates air conditions – dry/comfortable/wet. Let this humidity sensor keep you informed about your home and family with a quick glance at climate changes. 5. Product quality assurance: If you have any questions about the product, please contact us; we will provide you with the best solution! The product is compact and portable, making it an essential tool for understanding the climate in real time. °F); Humidity measurement range: 10% RH ~ 99% RH; Temperature measurement accuracy: ± 1 °C;