Small and portable, the base can be folded 90 for easy storage and portability Real-time monitoring, the indoor thermometer has an easy-to-read screen to keep an eye on temperature and humidity Digital room temperature hygrometer, -in and sensitive sensor, the temperature and humidity meter is updated 1 second; Temperature measurement range: -50 ~ 70 degrees Celsius, with Celsius and Fahrenheit temperature ; Humidity: 10% ~ 99%. Suitable for wine cellars, schools, offices, restaurants, green sheds and other . supply: 1 x 1.5 V AAA battery (not included) Colour:White Material:ABS Package Contents: 1 x Thermometer Hygrometer Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.