<p> </p><h1><p>Product Description<br>1. Do not freely disassemble the product.<br>2. While the display is not clear, please change the battery.<br>3. It will not alert you immediately when the temperature exceeds the preset value. It will compare the temperature after 10 minutes. And when the temperature reaches the alarm value, the thermometer will alarm immediately.<br>4. The first time you use the hygrometer-thermometer or if you move it to another location, you will need several hours to get the correct hygrometer result.<br>Includes minimum and maximum temperature records for 24 hours. You can easily monitor the temperature change in your refrigerator and protect your food safety twice.<br>Clip on shelf, hang or attach to refrigerator<br>Large LCD screen<br></p></h1> freezer thermometer, with the console and 2 wireless sensors, can be used in the freezer and act as a thermometer for indoor and outdoor use. In addition, indoor temperature and 2 groups of refrigerator/freezer appliances or outdoor temperature can be displayed simultaneously. The wireless thermometer, with a large LCD display, can display the temperature of the base station and a transmitter at the same time. Thermometer range: indoor (-10℃~60℃/14℉~140℉), outdoor (-40℃~60℃/-40℉~140℉). The accuracy can reach up to ± 1 °C / ± 2 °F. Transmission range is 100 m / 328 ft (open area). Audio alarm reminder and max/min recording: This wireless fridge thermometer has acoustic alarm function. You can set the maximum and minimum alarm value manually. The audible alarm sounds when the temperature value reaches the preset limit for the maximum or minimum alarm value. Records Min and Max Temperature delivers historical temperatures in the last 24 hours. Easy to use: There are 6 function buttons on the weather station and a signal display on the transmitter. Simply press the corresponding button to turn the alarm on/off, switch Celsius or Fahrenheit and delete the MAX/MIN data sets. The compact and user-friendly design makes it perfect for all types of refrigerators or freezers. Multiple installation options: The wireless freezer thermometer is easy to install. Indoor outdoor thermometer, with built-in magnets, a hanging hole and a bracket on the back, you can attach the main unit to your fridge door, hang it on the wall or stand on the table. 2 sensors with clamps and hanging holes on the back, convenient to attach or hang on the shelf. Power type Battery Installation type Built-In Control type Button Display Digital Brand FUWANG Color 1 drag 1 Accessories 2 Sensors Has written warranty No Model SN010