Description: Complete set mini wind turbine generator and hydroelectric generator motor. Output terminals are easy for led installtion. Just plug and go. Can be used for wind generator as well as water generator. Low-speed non-resistance type, efficiency up to 98%, wind speed at 30 mph/km for 2-5 LEDs, 50 mph/km for 5-10 LEDs. Change the direct current(DC) needs to add diode. It can be used as a model for wind and solar complementary grid-connected power generation system. It also can be a wind power teaching experiment. Great to cultivate students and kids hands-on ability. Specification: Material: Plastic Motor Size: Approx. 16.5x16x16mm/0.65x0.63x0.63inches Fan Dia. 57mm/2.25inch Output Voltage: 0.01-.5V DC Output Current? 0.01-0.2A Rated Rotate Speed: 3000rpm Package Includes: 1 Piece Wind Generator Motor