Product Name: Ot Tech 4250 High Quality 50V 10000rpm DC Permanent Magnetic Motor Small Drone Motor Model NO.: TW-4250 Brand: Ot Type: Brushless Structure and Working Principle: Brushless Number of Poles: 4 Casing Protection: Protection Type Excitation Mode: Excited Operating Speed: Constant Speed Application: Universal, Household Appliances, Car, Boat, Car, Electric Bicycle, Fan, Home Appliance Speed(Rpm): 15-20000rpm Power: 864W Voltage: 22V 24V 36V 48V Weight: 755.9g Trademark: OT Transport Package: Carton Specification: 42*50mm Origin: China HS Code: 8501101000 Product Description OT Tech 4250 High Quality 50V 10000rpm DC Permanent Magnetic Motor Small Drone MotorFeatures:1 .Applicable to the currently popular 250, 280, 300 crossing drone, it's more powerful.2. The propeller mount is integrated with the motor end to ensure the concentricity of the paddle;3. Using imported bearings, low noise, long life;4. Using Japan Kawasaki 0.2mm spindle, higher efficiency, less heat;5. Neodymium iron boron has strong magnetic and high temperature resistant;6. The motor is divided into positive and negative thread configuration to eliminate the safety hazard of the propeller after multi-axis installation and reverse propellering;7. Each motor is tested to have dynamic balance.Application(Drone Motor):1. Usually application: For quadcopter,multicopter,etc.2. Other application: If you want to DIY, we also can offer controller, throttle.FAQQ: Are you trading company or manufacturer ?A: We are the Manufacturer specialized in kinds of micro motors for almost 10 years already, in Guangdong Province, China. Q: How to order?A: send us inquiry → receive our quotation → negotiate details → confirm the sample → sign contract/deposit → mass production →cargo ready → balance/delivery → further cooperationQ: How about Sample order?A: Sample is available for you. please contact us for details. once we charge you sample fee, please feel easy, it would be refundwhen you place formal order.Q: How long is the deliver[Producing] and shipping?A: Deliver time depends on the quantity you order. usually it takes 15-25 working days.Q: My package has missing products. What can I do?A: Please contact our support team and we will confirm your order with the package contents. We apologize for any inconveniences.Q: How to confirm the payment?A: We accept payment by T/T, PayPal, the other payment ways also could be accepted, Please contact us before you pay by the otherpayment ways. Also 30-50% deposit is available, the balance money should be paid before shipping.