1st generation
Debut : 2019 Kaohsiung International Invention & Design EXPO
Date : 2019.12.06~08
Works : Manual charging
Glory : Gold prize
Applicable timing : When there is no outlet, there’s no battery, anytime anywhere
2nd generation
Debut : 2019 Kaohsiung International Invention & Design EXPO
Date : 2019.12.06~08
Works : Solar power
Glory : Best presentation skills award
Applicable timing : When there is sunlight
3rd generation
Debut : 2020 Romania International Invention & Design EXPO
Date : 2020.05.21~23
Works : Powered by battery
Glory : Any challenge or suggestion from Committee is welcome
Applicable timing : When there is a dry battery (rechargeable type is preferred)