【1 Wireless Sensors for Different Locations】-With the built-in console and 1 remote sensors, you can place the sensors inside the refrigerator or outside. The wireless refrigerator thermometer can display the indoor temperature and 1 sets of refrigerator/freezer or outdoor temperature at the same time, which means the screen will display 3 temperatures at the same time. Audible alarm function: Equipped with an audible alarm, when the temperature exceeds the preset minimum and maximum alarm values, the thermometer will sound an alarm to remind you and your family of the temperature changes and make certain changes over time. 3.6-inch high-definition large screen and record minimum and maximum values: Indoor and outdoor thermometer with high-definition LCD screen. Large data volume, comfortable viewing day and night. Record and display the maximum/minimum temperature. Indoor: -10-60℃; Outdoor: -40-60℃; Transmission Range: 30M/98.4ft (open area). Press the "℃/℉" key to switch between