Feature: 1. Strong thrust, high efficiency, low power consumption, high performance, exquisite workmanship and long service life. 2. Made of high‑quality materials, it is lightweight and portable, with stable and low‑noise working performance. 3. Easy to install, it is used to replace the damaged or unusable motors, with simple operation. 4. The precisely balanced rotor is stable, has the best reliability and the largest RPM. 5. Precise design can achieve maximum energy conversion and outstanding performance, fit for RC fixed-wing aircraft with 4.0mm banana plug. Specification: Item Type: 4250 800KV Brushless Motor Model: 4250 Material: Aluminum Alloy + Copper Product Color: Black and Blue Motor Size: Approx. 50x42mm / 2.0x1.7in Product Weight: Approx. 280g / 9.9oz KV: 800KV Maximum Power: 1250W Adapter Blade: 13x10/14x7/14x10 Support Battery: 7.4-14.8V Recommended ESC: 100A Compatible: Fit for RC Fixed-wing Aircraft with 4.0mm Banana Plug. Package List: 1 x Brushless Motor 1 x Cross Seat1 x Paddle Clip 1 x Fixed Nut 3 x Heat Shrink Tube 3 x 4.0mm Banana Plug8 x Screw 1 x Manual Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.