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During the camp, people will take a rest or sleep inside the tent. But the mosquito will cause a bad sleeping quality, which fly into the tent while people in or out of it. Release will be able to solve this problem.
The air flow inside the tent will make the fan running itself to expel the mosquito out, and hard to back inside.
The carbon dioxide will be decomposed by photo catalyst of UV-LED.
The kinetic energy produced by rolling the device as the way playing with a yoyo, will be transformed into electronic energy, which accumulated for lighting the LED.
Shou Hsi ,Fu Chih Wei ,Wang T.K Philip ,Hwang Cheng Kuei ,Fan