Wireless Digital Freezer Thermometer Indoor/Outdoor Temperature Sensor with Audible Alarm

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1、Alarm Function. When the temperature of the test exceeds the maximum or minimum temperature set by the thermometer, the thermometer will sound an alarm to remind you to adjust the temperature 2、The display console displays temperature,minimum and maximum temperature, which can be reset manually 3、Easy to read LCD screen displays the current indoor/outdoor temperature. When the electricity is insufficient, it will be shown on the LCD screen 4、Includes 24 hours high and low records for temperature 5、With a temperature trend indicator arrow and daily high and low information Description: The wireless refrigerator/freezer thermometer includes 1 indoor temperature built-in the console and 1 remote sensors,which can monitor fridge and indoor temperature. All time/24 hours indoor and outdoor MAX MIN temperature records.Temperature trend arrows indicate whether it's getting warmer or colder nearby remote sensor. When indoor or outdoor temperature exceed your pre-set minimum and maximum alarm value, the thermometer will make audio alarm to remind you, allowing you to be aware if adjustments are necessary for your household. Features: Alarm Function. When the temperature of the test exceeds the maximum or minimum temperature set by the thermometer, the thermometer will sound an alarm to remind you to adjust the temperature. Temperature Trend Display. Trend indication of 3 groups of temperature: for real time test, if the deviation between the test temperature and current temperature is more than 1 degree, the trend indication of temperature shows the sign of UP; if the indication between the test temperature and current temperature is less than 1 degree, the trend indication of temperature shows the sign of DOWN; if the deviation between the test temperature and current temperature is in the scope 1 degree in 1 hour, the trend indication of temperature shows the sign of PARALLEL. The display console displays temperature,minimum and maximum temperature, which can be reset manually. Easy to read LCD screen displays the current indoor/outdoor temperature. When the electricity is insufficient, it will be shown on the LCD screen. Display stands upright for tabletop use or is wall-mountable. Includes 24 hours high and low records for temperature. With a temperature trend indicator arrow and daily high and low information. Specifications: Condition: 100% Brand New Material: ABS Color: White Update Rate: 10 seconds Indoor Temperature Range: -10℃~60℃（14℉~140℉） Outdoor Temperature Range: -40℃~60℃（-40℉~140℉） Power Supply: 2 x AAA Battery( Not Included ) Host Size: Approx. 9.5 * 8.5 * 2cm / 3.74 * 3.34 * 0.78inch Package Weight: Approx. 180g Package Included: 1 x Host 1 x Sensor 1 x User Manual Note: 1. Do not install the reverse battery. 2. Do not put the receiver near metal. 3. Avoid transmitter directly in the rain. 4. High-quality batteries for the use of main unit and transmitter better. 5. The sensor search mode allows you to re-sync sensors without removing and re-inserting batteries.