2-in-1 Design: Mini Thermometer Hygrometer, perfect for tracking temperature and humidity. It has a wide measurement range and can measure temperatures from -20F to 120F and humidity from 0% to 100%RH. (Temperature accuracy: 2F/Humidity accuracy: 5%RH) Easy to read: The humidity monitor is made of high-quality solid aluminum alloy, with a delicate and clear dial that allows easy reading of temperature and humidity data, ensuring you can quickly assess your surrounding environment. Temperature displays C and F readings. : Designed for your convenience, . The mechanical device features built-in auto-sensing that provides real-time sensing without the need for calibration, ensuring worry-free use and long service life. Better : The temperature and humidity meter monitor not only allows you to easily understand the surrounding temperature and humidity, but also helps you monitor your family's living conditions and health to prevent colds, dry skin and . Create a healthier living environment. Wide Application: These indoor and outdoor -hygrometers are suitable for refrigerators, incubators, brooders, canning jars, guitar cases. Suitable for different occasions such as homes, greenhouses, offices, schools, laboratories, instrument workshops, factories or baby rooms. It can be easily mounted via the hook on the back. Colour:gold+silver Material:Aluminum alloy Package Contents: 4 x Thermometer Hygrometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.