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Nowadays, the food safety is getting more and more attention from people. In our everyday life, it is hard to avoid remaining food, but people themselves do not know the food edible period well, so the food goes bad and then it causes the waste. Sometimes people eat this food and will have healthy problem.This type food edible period detecting instrument can detect the food through the rear light wave probe, then the instrument internal program analyses the edible period, and transfer the result to the LED screen, so that the users can intuitively see the edible period.Rear solar battery provides the green energy resource for the instrument.
Liu, The food edible period detecting instrument
Guokun / Liu Qiangwei / Wu Zhixiong / Liu