Refrigerator Thermometer, Wireless Digital Freezer Thermometer with 2 Wireless Sensors, Wireless Indoor Outdoor Thermometer

【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)【Max/Min Temperature】 The Max/Min temperature data will update every 24h. Pls be careful 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 temperature data. And it will update to the new data.【Alarm】 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.【Easy 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. Please install the new battery to make sure the accuracy.Note: battery not included