new and high quality Material: Metal and Plastic Color:See pictures Specifications: Motor size: Click on the bottom of this rotor for D28.5mmx10mm Fixing plate 30mm x 30mm Shaft Size: D3mm x H31.5mm Voltage: 3-24V Current: 0.1A-1A Rated speed: 300-6000 turn Rated power: 0.5-12W Instructions: You can link any two of which can light LED lamp beads Suitable for micro wind micro-hydro power generating system hand friction Three-phase AC power teaching aids school model No retail package Quantity: 1Pc(1Packet) Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!! _x000D_ _x000D_ new and high quality Material: Metal and Plastic Color:See pictures Specifications: Motor size: Click on the bottom of this rotor for D28.5mmx10mm Fixing plate 30mm x 30mm Shaft Size: D3mm x H31.5mm Voltage: 3-24V Current: 0.1A-1A Rated speed: 300-6000 turn Rated power: 0.5-12W Instructions: You can link any two of which can light LED lamp beads Suitable for micro wind micro-hydro power generating system hand friction Three-phase AC power teaching aids school model No retail package Quantity: 1Pc(1Packet) Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!! _x000D_ _x000D_ _x000D_