Indoor / outdoor temperature, indoor humidity display.
°C / °F temperature switch display, comfort display.
Indoor and outdoor maximum and minimum temperature memory function.
Memorized MAX/MIN indoor temperature and humidity value automatically.
With back stand and magnetic stick at back side, convenient to place.
With a wired external sensor that can be strung to the outside of your house to sense external temperature as well as a built-in sensor to simultaneously measure the indoor temperature.
Digital Thermometer Hygrometer DC103 Temperature Humidity Meter with External Probe