Ask for Latest offers/availability :   https://bit.ly/3FBvWUw Material: Metal Plastic Color: Silver(Motor) Propeller Color will be delivered randomly This is a rare motor, and the small motor torque is very large, which is the value of it. Note: when you install the propeller, press and hold the back of the motor to prevent damage to the motor. In order to prevent unnecessary loss, please buy another one for Spare, to prevent emergency