Description:12V-24V 36W Mini Wind Turbine Generator Permanent Magnet Motor with GearSpecification:          Size       108mm\/4.3 inch           Power       40W           Speed       12V3000 turn \/ 24V5000 transfer           DC generator time by       Maximum 36W (DC)           Suitable For            Electrical machinery、 heating and cooling through the valve、         automated instrumentation、 electric models、 massage、 Twisted Machine.             Features: - Low power consumption、 large torque、 low noise. -Stable and durable.  Package Included: 1x Generator 2x Gear  More Details: