【SMART DIGITAL HYGROMETER THERMOMETER】 Flintronic mini digital thermometer and hygrometer is small and stylish, only 4.3 x 4.3 x 1.3 cm, 21 g. It has two types of icons. When the humidity is between 40% and 70%, it will display a smiley face. When the humidity is lower than 40% or higher than 70%, it will display a displeased face, allowing you to keep your home healthy and comfortable at a glance. 【TEMPERATURE MEASURING RANGE】Temperature measuring range: -10 ℃ ~ 70 ℃. Temperature measurement accuracy: ± 1 ℃. The measurement conditions are updated every 10 seconds. 【HUMIDITY MEASUREMENT ACCURACY]】Indoor/outdoor humidity measurement range: 10% RH to 99% RH. Humidity measurement deviation accuracy: ±5% RH. 🔋【Small and refined】4.3 x 4.3 x 1.3 cm, weighs only 21 grams. About the size of an egg, this hygrometer thermometer is compact and sturdy, allowing you to take it anywhere. Powered by one CR2032 battery (battery included). 🏘【WIDE APPLICATION】The thermometer and hygrometer can be