Features:
<br />Indoor / outdoor temperature, indoor humidity display.
<br />°C / °F temperature switch display, comfort display.
<br />Indoor and outdoor maximum and minimum temperature memory function.
<br />Memorized MAX/MIN indoor temperature and humidity value automatically.
<br />With back stand and magnetic stick at back side, convenient to place.
<br />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.
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<br />Specifications:
<br />Indoor temperature: -10℃～+50℃ (+14℉ ～ +122℉)
<br />Outdoor temperature: -50℃～+70℃ (-58℉ ～ +194℉)
<br />Indoor Humidity: 20%RH～90%RH
<br />Use battery: 1 * 1.5V (AAA) battery
<br />Sensor cable length: Approx. 90cm / 35.4in
<br />Product size: 70 * 81 * 20mm / 2.8 * 3.2 * 0.8in
<br />Product weight: 66g / 2.32oz
<br />Package size: 12.4 * 12 * 2.1cm / 4.9 * 4.7 * 0.9in
<br />Package weight: 84g / 2.92oz
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<br />Package List: H14472
<br />1 * Digital LCD Thermometer Hygrometer
<br />1 * User Manual(English)
<br />1 * 1.5V (AAA) battery