This easy to install unit will enable you to reverse the pitch of your brushless motor IN FLIGHT! The list of possible maneuvers is endless! The unit includes 2 7inch blades and outrunner motor, and the variable pitch assemble. You will need a servo to control the pitch assembly.
Spec.
Motor: D3124-1600kv
Voltage: 11.1v
Weight: (About) 43g
Prop: 7inch