Features 1、Powerful Motors: Comes with copper coil and stainless steel output shaft with high toughness and accuracy, the 2207.5 motors are very powerful. 2、Has Good Rotors: Using high temp adhesive, the balance rotor can work stably under high speed without displacement, pinching, or short circuit. 3、With Great ESCs: Equipped with EFM8BB21F16G high speed control chip, the electronic speed controller will largely simplify the control over RC. 4、Perfect Fitting: Supports for BLHeli S and for DSHOT150 300 600 digital throttles, the brushless motor set ensures efficient and reliable work. 5、Easy to Install: Good anti interference ability and quick response makes the lightweight and compact brushless motor very convenient to install. Item Type: Brushless Motor Motor parameters Shell Material: Aluminum Alloy Color: Cyan Motor Size: Approx. 28.3 x 19.5mm / 1.11 x 0.77in, excluding shaft, cable, and base. Configuration Ratio: 12N14P Stator Diameter: Approx. 22mm / 0.87in Stator Length: Approx. 7.5mm / 0.3in Shaft Diameter: Approx. 5mm / 0.2in Single Motor Weight: Approx. 34 g / 1.2 oz Electronic Speed Controller Parameters Materials: Electronic Components Color: Black Product Size: Approx. 29 x 14 x 4mm / 1.14 x 0.55 x 0.16in, excluding cables. Continuous Current: 45A Peak Current: 55A in 10 seconds. Supporting Protocols: ONESHOT125, DSHOT125/300/600. Suitable Battery for Electronic Speed Controller: 2-6S Lipo Single Electronic Speed Controller Weight: Approx. 7 g / 0.25 oz Application: For 5in and 6in for FPV racing UAV. Package List 4 x Brushless Motor 16 x Screw 4 x Nut 4 x Electronic Speed Controller 4 x Heat Shrink Tube