คุณลักษณะ

• This is a set of a general contractor V3 hand-cranked generator and 3 types of special adapters (LED, bean bulb, condenser).
• You can plug the adapter into the general contractor V3 and immediately experiment with power generation and storage.
• It is easy to compare the difference in power consumption between bean bulbs and LEDs, and to conduct power storage experiments using condensers.