Set of 4 mini digital thermometers with switch, LCD hygrometer, wireless indoor temperature sensor, high-precision temperature sensor in ℉/℃, for baby's room, indoor use

Smart comfort display with switch: An integrated switch activates the mini hygrometer. With humidity levels between 40% and 70%, a friendly smiley face appears on the display. If the value is lower or higher, a sad face symbol indicates that the indoor climate is not ideal. Immediately understandable and easy to read without stress. Wide measuring range and precise updates every 10 seconds: Measures temperatures from -10°C to +70°C and humidity to within ±2°C. 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 reduce stress and keep an eye on your indoor climate. Compact and versatile: This small thermometer can be placed on a table, in a bookcase, or mounted on the wall with a sticker; this lightweight device is quick and easy to install 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.