DC 12V 4000RPM 38mm Diameter Low Noise Brushless Motor Adjustable Speed Drives 16030306 Product Pictures Product Features No brush, low interference, low noise, smooth operation, long lifespan, low repair cost. Digital frequency speed control type, strong speed control ability than brushed motor. Widely used for aircraft, precise instruments, for more easier motor speed control. Product Description Product Name: DC Brushless Motor Rated Voltage: DC 12V Rated Speed: 4000RPM Output Shaft Szie: 6 x 18mm / 0.24" x 0.71"(D*L) Gearbox Diameter: 38mm / 1.49" Total Height(Approx.): 85mm / 3.34" Cable Length: 28.5mm/ 1.1" Material: Metal, Electronic Parts Color: Gray Net Weight: 297g Package Includes 1 x DC Brushless Motor Tips: Welcome To Wholesale, If You Want To Get More, Please Contact Us ! Thanks For Visiting Our Store And Enjoy Your Life ! (*^__^*) Payment We accept Paypal and reserve the right not to ship to unconfirmed addresses. Please provide your telephone number when you make an order, sometimes we can provide free express service. Payment is expected within 7 days of purchase. To avoid disputes and other inconveniences, please contact us ASAP should any problem occur. Shipping All orders are shipped from China, we ship to PO Boxs APO too ! We ship items within 3 business days after payment has been received. We ship Monday ~ Friday. We don't ship on Saturday, Sunday or Major Legal Holidays. If You Want Get Express Service, Please Contact Us. Return & Refund All items are fully inspected prior to shipping in order to ensure the contents of the packages remain intact. If for some reason, within 16 days of purchase, you are not satisfied with your item, please Message us for a solution. Defective items can be exchanged for the same item or refund only if you contact us within 3 days upon receipt of package. Photo of Defective items must be taken and sent to us for exchange or refund. We Guarantee 100% customer satisfaction. In the event that an item is not as described, we will gladly replace the item or issue a refund within 3 days of receiving the item. Feedback Our goal is 100% customer satisfaction and five star feedback. If for any reason you don't feel you can give us a positive feedback or a 5 star DSR score (Detailed Seller Rating), please let us know, we will do whatever we can to right the situation. If mistakes happen. Please give us an opportunity to correct any error before you leave a negative feedback. Customer Support We try to respond to emails and messages ASAP. Please give us 24 business hours to get back to you. If it is right in the weekend,please kindly give us 48 hours to respond to you, thank you. Please Read Before Buying Before buying, please make sure that you don't have any questions left as to what your buying, what it comes with, and by buying this now on Platform your agreeing to all of Platform's TOS, and all relevant laws. If you still have any questions, please go over our listing again, if the information isn't there, please contact us so that there is no confusion on your part, and make for a much better experience.