This Extech Big Digit Indoor Outdoor Hygro-Thermometer displays indoor and outdoor temperatures (if used with attached probe), as well as humidity. It stores minimum and maximum temperatures and can recall all four measurement parameters.
Each unit includes a built-in stand, mounting bracket, outdoor sensor with 35" cable, and one AAA battery.
Simultaneous display of temperature and humidity
Use inside, outside, or with unit inside and sensor out
Specifications for Extech Big Digit Indoor/Outdoor Combo Hygrometer Thermometer