High Accuracy & Fast Refresh: Upgraded digital hygrometer with sensitive probe sensor. Temperature measuring range: -10℃+60℃ (-14°F~ +140°F), error: +/-1℃ (1.8℉); Humidity measuring range: 10%RH~99%RH, error: +/-5%RH. Data measurements are updated every 10 seconds to provide you with the latest changes of the environment.Face Icon Comfort Indicator: Digital hygrometer with humidity level icon displays the weather condition - dry/comfort/wet to inform you to adjust humidifiers, dehumidifiers and thermostats in time to ensure that you always live in the most comfortable environment. Two temperature display modes, press the "℃/℉" button to switch the temperature display to "℃" or "℉". 4 Mounting Options & Wide Applications: The room thermometer digital hygrometer with desktop stand, wall sticker and hanging hole design can be easily placed anywhere: bathroom, living room, kitchen, basement, garden, greenhouse, cabinet, pantry, guitar, humidor, refrigerator. Unique LCD Circular Display & : The digital hygrometer works right out of the box without complicated function buttons. The clear LCD display with large numbers makes it easy to read even from a distance. Equipped with a CR2032 button battery that can be used for more than 36 months. If the battery of the room thermometer you received is insufficient, please let us know. & Customer Service: The digital hygrometer humidity meter is made of ABS material, which is reliable and durable. (#Note: 1. Not waterproof; 2. For reasons, the installed CR2032 battery is not easy to remove, if you need to replace the battery, please refer to our product video below the product pictures; 3. Not suitable for use in environments below -10°C, please keep it away from harsh environments such as high temperature and high humidity.)