Refrigerator Thermometer, Set of 2, for Refrigerators and Freezers, Analog Temperature Control -30℃-40℃, Food Freshness Preservation, Easy

[Eco-friendly design that works simply by placing it down] It uses an analog (physical sensing) system that does not require a power source, so there is no need to worry about it running out of power. Once installed, it is maintenance-free and you can check the internal temperature anytime, 24 hours a day. It is an economical and environmentally friendly sustainable item that does not require any upfront costs. [360° rotating suction cup hook that can be installed anywhere] With a strong suction cup and a 360° rotating hook, it can be installed anywhere. You can hang it on a shelf or attach it to a wall, adjusting it to the optimal position according to the layout of the inside of the refrigerator. Its compact design does not interfere with the loading and unloading of food, and it makes effective use of space. [High-sensitivity sensor that keeps food fresh] It is compatible with a wide range of temperatures from -30℃ to 40℃ and sensitively detects even slight temperature changes. By thoroughly managing the temperature appropriately, it suppresses oxidation and deterioration of food and extends the deliciousness of fresh food. It helps to quickly detect when the freezer is too cold or when the temperature in the refrigerator is rising. [Quick Display for Instant Judgment] The high-precision micro-roller mechanism quickly displays the temperature in real time. The large, easy-to-read dial allows for quick confirmation the moment you open the door. Reducing the time spent checking the temperature prevents cold air from leaking out of the refrigerator, minimizing damage to food. [Budget-Friendly 2-Pack & Wide Range of Uses] A convenient 2-pack that can be used separately for the refrigerator and freezer. It is useful not only in your home kitchen, but also in supermarket shelves and warehouses, camping cooler boxes, and many other places. Proper temperature control cuts down on unnecessary power consumption, supporting your household budget in terms of both food costs and electricity bills.