Set of 12 Digital Indoor Thermometer Hygrometer: WIYETY Mini LCD Digital Indoor Thermo-Hygrometer, Temperature Humidity Meter, Humidity Meter for Home, Office, Bedroom

Highly accurate and reliable: Reliably measures humidity (10% to 99% relative humidity, tolerance ±5%) and temperature (-50°C to 110°C, tolerance ±1°C) indoors to allow precise control of the indoor climate. Hygrometer and thermometer are indispensable for this. Ready to use: the temperature and humidity meter is already equipped with two button cell batteries (1.5V LR44) and ready to use. No additional effort required for installation or configuration. Our hydrometer is also extremely user-friendly. Home Humidity Temperature Monitor: This portable thermometer hygrometer measures indoor humidity and temperature, helps you know the indoor air conditions. Become the ideal choice for your personal and professional life. Mini and simple design: thanks to its mini housing and square shape, the mini hydrometer can be placed discreetly anywhere. With simplest appearance and very practical function. No operation is required to easily read the display. MULTIPURPOSE You can use the mini hygrometer thermometer at home, office, car, school, hotel, laboratory, nursery, aquaculture, instrument workshop, library, factory, greenhouse, basement, garage, garden shed, in a box for 3D printer filaments, etc. places equipped with air conditioning, etc.