Main Features:
● Humidity range: Indoor 20 - 90 percent RH (When the humidity is less than 20 percent RH， it displays 10 percent RH directly).
● Indoor temperature: -10 - 50 Celsius degree (+14 - 122 Fahrenheit degree).
● Detection temperature: -50 - 90 Celsius degree (-58 - 194 Fahrenheit degree).
● Simultaneous display of clock， date， month， week， temperature， humidity.
● 5 button: ADJ， set， temperature button， mode， max / min.
● MAX / MIN button is to display memorized max and min values of temperature.
● Changeable temperature unit: Celsius and Fahrenheit.
● Powered by 2 x AAA battery (included).