100 percent fresh and pleasant Material: Metal and Plastic Color: See pictures Specifications: Motor size: Click at the bottom of this rotor D28 Fixing plate 30mm x 30mm Shaft Size: D3mm x H31 Voltage: 3-24V Current: 0 Rated speed: 300-6000 turn Rated power: zero Instructions: You can link any two of that may light LED lamp beads Suitable for micro wind micro-hydro strength producing system hand friction Three-phase AC strength teaching aids college model No retail kit Quantity: 1Pc(1Packet) Note: Due to the variation between varied monitors, the image won't mirror the precise coloration of the item. Thank you!! Package includes: 1Pc x Micro-generator