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Current Africa is a rapidly growing economy, but Africa children are still suffering from the problems of malaria. From these facts, malaria in Africa is the motivation of the creative RFM System. The history of Africa livestock is the development with 400 million Africa cows. From this history, RFM system is making the cowbell and body part. Through the movement of the cowbell, the part of the battery is storing the electronic energy. The sound of ultrasonic waves and 610nm LED light from the body part is useful for preventing to the malaria mosquitoes and provide for light. It can provide shelf energy and eco-friendly electronic energy.
Gyeongsan-si, South Korea