Set of 4 mini digital thermometers, LCD hygrometer, wireless indoor temperature gauge, high-precision temperature sensor, ℉/℃ display for baby room, indoor use, office

Intuitive display of well-being: The mini digital hygrometer displays a smiley face when the humidity is between 40% and 70%, ideal for your well-being. When it's below or above this range, a sad face symbol appears, so you can see at a glance if the climate isn't right. Wide measuring range and precise updates every 10 seconds: Measures temperatures from -10°C to +70°C and humidity to within ±2°C. The values are automatically updated every 10 seconds for reliable, real-time data. Clear and easy-to-read display: The large dial clearly displays the temperature and humidity, even from a distance. The smiley face symbols help you reduce stress and keep an eye on your indoor climate. Compact and versatile: Whether on a table, in a bookcase, or mounted on the wall with a sticker, this small, lightweight device can be quickly installed anywhere. Powered by CR2032 batteries (included), it's ideal for travel and can be used in various rooms. Suitable for all areas of use: hygrometer with thermometer – ideal for living rooms, offices, cars, schools, laboratories, kindergartens, libraries, aquariums, workshops, factories, and air-conditioned environments – anywhere you want to ensure a healthy indoor climate.