1、Applicable Model: The brushless motor is for Mark4, for APEX, for FPV, for Freestyle and other 7 inch and 8 inch drones. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、High Efficiency: The powerful brushless motor uses advanced electronic commutation technology for higher efficiency and power density, can significantly reduce energy consumption, capable of providing powerful power output. 3、Quiet Operation: Due to the elimination of the mechanical contact between the carbon brush and the commutator in the traditional motor, the noise of the drone brushless motor is greatly reduced during operation, improving the comfort of use. 4、Easy to Control: The control system of mini brushless motor is simple, and the response speed is fast, so that the motor can achieve accurate speed and position control. 5、Durable Construction: The racing drone brushless motor is made of premium aluminum alloy and copper, ensuring durability and long lasting use for your drone. Item Type: Brushless Motor Material: Aluminum Alloy, Copper Motor Size: Approx. 33 x 23mm / 1.3 x 0.91in Supported Lithium Battery Quantity: 2S-7S Framework: 12N14P Fitment: Suitable for Mark4, for APEX, for FPV, for Freestyle and 7 inch 8 inch Drone 4 x Motor 16 x Screw 4 x Nut 4 x Washer