ORIA Wireless Refrigerator Thermometer with 2 Sensors | Indoor/Outdoor -40°C to 60°C

• Warm Tips: After the temperature alarm is turned on, the alarm function will not be activated until 10 minutes later (when it is just turned on, no matter whether the temperature reaches the alarm temperature range at this time, it will not alarm).
• Alarm Function: The refrigerator temperature has an audible alarm function, you can set the maximum and minimum alarm value manually. And it will ring when the temperature value reaches at the point of limit max or min alarm value that you pre-set. The alarm will not go off within the first 10mins after turning upper/lower limit alarm function on, the function will be activated after the first 10mins.
• Temperature Range & Transmission Range: Indoor thermometer range: -10℃ to 60℃ (14℉ to 140℉); Outdoor thermometer range: -40℃ to 60℃ (-40℉ to 140℉); Transmission range: 100M/328ft (open area). It can record Max and Min temperature and display up, down & parallel arrow to indicate the trend of current temperature. The Max/ Min temeprature data will update every 24h.
• Easy to Use: There are 6 function keys on the main unit and signal indicator on the transmitter, you just press the corresponding key to turn on/off the alarm, switch the Celsius or Fahrenheit. With integrated magnets, a hanging hole and a bracket at the back, you can put the main unit in refrigerator door, hang on the wall or stand on the table.
• Note: Pls be attention that the wireless digital freezer thermometer cannot hold the max/min temperature all the time and the thermometer do not have the function to remember all the history Max/Min temperature data. Only show the data within 24h. After installing in the sensors and host, the host enters RF reception mode and then waits for signals transmitted by the sensors.

• Install Batteries — Insert 2 AAA batteries (not included) into the main unit and each wireless sensor. Ensure correct polarity. The main unit will enter RF reception mode.
• Place Sensors and Main Unit — Position the sensors inside your refrigerator/freezer and the main unit outside or on the door. Use magnets, hanging hole, or stand for placement. Ensure sensors are within 100M of the main unit.
• Set Alarm and Monitor — Press function keys to switch between Celsius/Fahrenheit and set desired max/min alarm temperatures. The alarm will activate 10 minutes after being turned on if limits are exceeded. Monitor Max/Min temps updated daily.

Typical situations where ORIA Wireless Refrigerator Thermometer with 2 Sensors | Indoor/Outdoor -40°C to 60°C helps — illustrative scenarios, not customer reviews.