Product details:

Emax Motor Specification: - Diameter: 27.9mm - Length: 39.7mm - Weight: 53g - KV: 935 - 3S(Lipo): 1045 Prop - 4S(Lipo): 8045 Prop - ESC Recommended: 20A-30A - MAX Thrust: 720g - Fit for DJI F330 F450 S500 X550 X525..etc. Quadcopter Hobbypower ESC Specification: - Highest efficiency 100% N-FET design. - No low voltage cutoff, because any cutoff in a multirotor crash. - No over temp cutoff, because any cutoff in a multirotor crash. - Super high refresh rate, no buffering of the input signal, resulting in more than 490Hz response rate. - 16KHz motor frequency, giving fastest response of the motor, and quietest operation as well (no 8KHz squeal). - Super simple, foolproof operation! Nothing to program other than the throttle range. - Cont. current: 30A - Max. current: 35A - Input Voltage: 2-4S lipo / 4-12 cell Ni-MH/Ni-Cd - BEC: 5V 2A (Linear mode - Size: 55x26x8mm (length 145mm including power cable) - Weight: 22g Package includes: 2 x Emax MT2213-935KV CW Brushless Motor 2 x Emax MT2213-935KV CCW Brushless Motor 4x Hobbypower SimonK 30A ESC