3pcs 3V DC Hand Crank power generator Dynamo Green energy gear box DIY kit Обустройство дома - купить

Купить 3pcs 3V DC Hand Crank power generator Dynamo Green energy gear box DIY kit | Обустройство дома

 

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3pcs 3V DC Hand Crank power generator Dynamo Green energy gear box DIY kit Specifications: 3V DC Hand Crank power generator Assembled size: 6x5cm Voltage: 3V DC Do not including the LED light There two way: 1. Gear box:  do not need the Handle 2. Generator : install the handle   Package Including: 3pcs  motor