Absolutely accurate: This hygrometer uses a mechanical movement that automatically senses and measures quickly and accurately, so you don't need to calibrate it.
Durable material: Made of corrosion-resistant high-quality materials, you can use it for a long time without damage, even if you put it outside. With advanced plastic lenses, you can view measurement data at a glance.
Can be placed indoors or outdoors, including baby rooms, offices, laboratories, balconies, etc. No matter where you place it, it can measure accurately. Its stylish and refined shape can definitely decorate your room.
Measuring range: The hygrometer/thermometer accurately measures temperature and humidity simultaneously. Measurable humidity: 0~100%. Measurable temperature: -40 and 120 °F / -40 and 50 °C.
Dimensions: Diameter: 8 inch,thickness: 1.7inch. The size of the hygrometer is large enough. Even if you are hiking far from it, you also can see it clearly. And it is easy to read and can be understood by children.