Package includes: 1 piece of motor The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. 1220 motor is small in size, high in speed, 1.5-3V voltage can be used for power supply. It can be used for small fans, small wind turbines, etc. It is a hand-made choice for primary and middle school students, good motor accessories! [Motor diameter]: 12mm [Motor length]: 20mm [Motor shaft diameter]: 1.5mm [Outlet shaft length]: 7mm [step diameter]: 5mm [step height]: 1mm [Voltage range]: 1.5-3V [Motor speed]: 3500 rpm, 9500 rpm [current parameters]: no load 0.03A, load 0.22A [Motor weight]: about 7.4 grams _x000D_ 1.Dear buyer, if you want to buy in bulk, please contact us and we will give you a big discount or also use discount coupons to deduct. _x000D_ 2.If you want to send by express, such as DHL, Fedex, UPS, TNT, SF Express,ect. You can contact us to change the price, I will give you a reasonable freight. _x000D_ 3. The shop supports , if you have more orders, I can give you the price. _x000D_ 4. If you have any questions, please contact us to solve! _x000D_