Hushtong 2 Pack Refrigerator Thermometer Large Dial Monitoring Thermometer (Freezer/Refrigerator)

BATTERY FREE DESIGN Mechanical thermometer reads instantly and without the need for battery powerSafe Temperature Zone and Warning Temperature ZoneIn our daily life, we often ignore the temperature of the refrigerator. For example, the high temperature in freezer is easy to make meat bad and if the temperature is too low, the fruits and vegetables will froze out. It will result in food waste if...