ORIA Wireless Refrigerator Thermometer with 2 Sensors & Audible Alarm, Indoor/Outdoor, LCD Display, 30m Range | 3.7in Main Unit

• Note: 1. The host and the transmitter can receive good reception within 100 meters of the unobstructed distance. Indoor temperature detection range -10°C-60°C (32°F-122°F); Outdoor sensor temperature receiving range -40°-60° (-40°F-140°F); 2. 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) 3. Please place this thermometer properly to prevent the screen from being crushed.
• Max/Min Temperature: The Max/ Min temeprature data will update every 24h. Pls be attention that the product cannot hold the max/min temperature all the time. The product is not support to view all the recorded previous temperatures. You can press button CLEAR once quickly to remove the Min/Max temperaturen data. And it will update to the new data. The indoor temperature detection cycle is 10 seconds, the outdoor synchronous cycle sensor 1 is 57 seconds, and sensor 2 is 67 seconds.
• Alarm Function: With audible alarm, you can set the maximum and minimum alarm value manually. It can ring when the temperature value reaches at the point of limit max or min alarm value that you pre-set. After turning on the temperature alarm, the alarm function will only start after 10 minutes (when it is first turned on, regardless of whether the temperature has reached the alarm temperature range, it will not sound an alarm)
• Easy to Use & Install: 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: 1. Please install the new battery to make sure the accuracy. If the screen does not display content, please check to ensure that the transmitter is connected to the host. 2. If you buy 2 sets, they will conflict with each other. In this case, install one of these first. Then install the other one after the first thermometer has been connected firmly.

• Insert 2x AAA batteries into the main unit and 4x AA batteries into each wireless transmitter. Ensure batteries are new for optimal accuracy and performance. Batteries are not included with the product. — Install Batteries
• Position the main unit where it's easily visible (e.g., on the fridge door, desk, or wall). Place the wireless transmitters inside the refrigerator, freezer, or other areas you wish to monitor, ensuring they are within 30m of the main unit. — Place Sensors and Main Unit
• Press the function keys on the main unit to turn on the alarm and set your desired maximum and minimum temperature limits. The device will begin monitoring and will sound an audible alarm if temperatures deviate from your set points after a 10-minute stabilization period. — Set Alarms and Monitor

Typical situations where ORIA Wireless Refrigerator Thermometer with 2 Sensors & Audible Alarm helps — illustrative scenarios, not customer reviews.