Real-time temperature and humidity monitoring: This round hygrometer is equipped with a 24-value measuring probe that reliably measures temperature (-50°C to 70°C, ±1°C) and humidity (10% to 99% RH, ±5% RH) every 10 seconds. It is ideal for controlling air conditioning devices such as humidifiers or dehumidifiers. Clear LCD display and switching between Celsius and Fahrenheit: The clear display allows switching between Celsius and Fahrenheit using a switch on the back, ideal for commercial applications. This glass container thermometer requires no installation: simply replace the battery and it is immediately ready for use. Convenient button cell operation: Powered Powered by an easily replaceable Ag13 battery, this device is immediately ready for use. This hydrometer with thermometer requires no charging or tangled cables. Compact and elegant design: Thanks to its compact size (approx. 44 × 44 × 15 mm) and Its round shape makes this device ideal for any environment, whether it's a