Brifit Refrigerator Thermometer Wireless Digital Freezer Thermometer with 2 Sensors Audible Alarm Min and Max Record Large LCD Display for Home Restaurants Bars (Battery not Included)

Descriptions: -Don't disassemble the product freely.-While the indication is blurring, please change the battery.-Don’t put this product in the place where it is hot, humid, dusty or full of corrosive gas, in case that its electronic components are damaged.-It will not alarm at once when temperature exceeds pre-set. It will compare the temperature after 10 minutes. And when temperature reaches alarm value, the thermometer will alarm immediately.Power Supply:Main unit: 4 x AAA batteries. Sensor: 2 x AA batteries. Package Included:1 x Main Unit2 x Transmitters (sensors)2 x Hanging Ropes2 x Suckers1 x English User Manual