Wireless Digital Display Refrigerator Thermometer Freezer Temperature Monitor Refrigerator Thermometer with 2 Sensors and Min/Max Alarm

[Function] The refrigerator thermometer records minimum and maximum temperatures over 24 hours, allowing you to easily monitor refrigerator temperature changes and providing double protection for food safety. [Alarm] Wireless digital display monitor with audio alarm function. When the temperature exceeds the preset minimum and maximum digital settings, an audible alarm will sound to remind you to check and adjust the time. [Adjustable] Minimum and maximum temperatures are displayed on the LED screen, and you can manually reset the settings. The display has an adjustable hook on the back so it can be mounted on a wall or placed on a table. [Purpose] The display screen features temperature trend indicator arrows and daily temperature information. It can be used not only as a refrigerator/freezer thermometer but also as an indoor and outdoor thermometer. [Note] The digital thermometer updates the temperature data every 10 seconds. Indoor temperature range: 0°C ~ 50°C (32°F ~ 122°F), outdoor temperature range: -40°C ~ 60°C (-40°F ~ 140°F). Batteries not included. Size: 10*8.5*2 cm; 3.8*3.5*10.5 cm. Note: All measurements are taken manually; please allow for a 1-3 cm error due to differences in lighting and display. There may be slight color variations; please refer to the actual product received.