1、Made of high quality material and adopting exquisite workmanship, which makes the motor more durable and operate smoothly 2、Excellent multi-rotor motor, designed for multi-rotor fast transient 3、Heat dissipation design makes the motor get better work efficiency 4、Response performance of your vehicle up to the maximum 5、Durable locknut can fix the propeller firmly and will not easily fall off Features: 1. Made of high quality material and adopting exquisite workmanship, which makes the motor more durable and operate smoothly. 2. Excellent multi-rotor motor, designed for multi-rotor fast transient. 3. Heat dissipation design makes the motor get better work efficiency. 4. Response performance of your vehicle up to the maximum. 5. Durable locknut can fix the propeller firmly and will not easily fall off. 6. Comes with 8pcs screws and 3pcs bullet banana plug connectors, easy to install. Specification: Type: Motor Diameter: 27.9mm / 1.1inch Length: 39.7mm / 1.6inch Package Weight: 80-145g Options: CW Motor, CCW Motor, CW Motor & 1045 Propeller, CCW Motor & 1045 Propeller Test Data for Reference: Packet Include: 1pc motor with accessories  / 1pc motor & 2pcs propellers with accessories Note: 1. Please use the correct size propeller to increase motor efficiency. The wrong propeller gives poor performance, or can cause damage to the motor. 2. The motor efficiency is higher when it is run before maximum current specifications. 3. Do not run the motor for more than 60sec in a static condition. Overheating may occur and might cause damage. 4. Inspect the motor before using. Make sure there is nothing inside before powering up. 5. Different ESC is perform better or worse with each motor. If the motor makes unusual sounds, try retiming the ESC, or use a different ESC. Different ESC will give variations in performance and power.