【Temperature Range】Indoor/Outdoor Thermometer Range: Indoor -10°C~60°C (14°F~140°F), Outdoor -40°C~60°C (-40°F~140°F), the transmission range is 100M/328ft (open area). You can use it in the refrigerator, freezer, or outdoors to keep your food safe.

【Audible Alarm】The wireless thermometer console includes audible and visual alarms when the temperature exceeds your preset minimum and maximum alarm settings.【Easy-to-Read Display】Large digital LCD display. Logging of minimum and maximum temperatures provides historical temperature records. With this function, you can easily monitor the temperature change in the refrigerator, providing double assurance for your food safety.

【Multiple Installation Methods】The wireless thermometer cable is easy to install. The display unit can stand on a table, be hung on the wall, and attach magnets to the refrigerator. The wireless sensor can be attached to the door or hung on the wall.

【Easy Operation】There are 6 function buttons on the main unit and a signal indicator on the transmitter, just press the corresponding button to turn on/off the alarm, switch between Celsius or Fahrenheit, and clear the MAX/MIN record. (without battery)