If your refrigerator or freezer is not cold enough food will spoil, wasting food (and money). If your refrigerator or freezer is too cold food won't last any longer, wasting electricity (and money). With this small credit card-sized temperature card you can easily tell if the setting is too warm, too cold, or just right - potentially saving food, electricity, and money.
THis card has an adhesive back for permanent attaching to the inside wall if desired.
