3-piece indoor thermometer and hygrometer set: Accurate measurement of indoor humidity and indoor thermometer for temperature measurement

Reliable & Accurate: Mini thermometer and hygrometer with precise measurements for perfect control. The indoor hygrometer measures from 10% to 99% RH with a tolerance of +/- 5%, and the small indoor thermometer measures from -40 to +70°C with a tolerance of +/- 1°C. Improved Measurement Technology: Thanks to continuous optimization, our digital indoor thermometer and hygrometer is highly calibrated, preventing measurement errors. Ready to Use: The thermometer and hygrometer comes pre-equipped with two 1.5V LR44 button cell batteries and is ready to use right out of the box. It combines precision and clarity! Clarity: The humidity and temperature display on the thermometer and hygrometer is easy to read despite its small size (46 x 47 mm). Relative humidity is displayed in RH%, and the temperature in °C. Flexibility and precision: This indoor thermometer and hygrometer has two clips on the side, allowing for easy installation and use as a built-in device! Universally applicable for measuring room temperature and humidity.