What kind of good household refrigerator thermometer?

Summer arrived, again what things need to go into the refrigerator, so how to set the temperature at this time is the most save electricity, refrigerator temperature set how many degrees in summer? Summer how refrigerator set save electricity? Summer temperature freezer fridge between 2 ~ 8 degrees, freezer temperature in - 18 ~ - 24 degrees! So we have to choose a refrigerator thermometer correctly, this can make us both fresh and save electricity. Instrument recommended three main refrigerator thermometer for you, for you to choose. FGT80 refrigerator thermometer, is a glass rod thermometer, is behind the SS304 clip can be fixed. RT221 SS304 shell refrigerator thermometer, the product appearance elegant, hanging in the refrigerator or directly put in the fridge. RT200 molded case refrigerator thermometer, hanging in the refrigerator or directly put in the fridge.