This is an optional Castle Creations SCT/SV3 "CC Blower" Fan, intended for use with the Sidewinder 3 and Sidewinder SCT ESC's.

Broken a blade off your Sidewinder SCT fan? Is your Sidewinder 3 running a little warm and want to give it a bit of a cool down? Get the gear you need to keep your Sidewinder 3 or Sidewinder SCT ESC running at the top of its game. Keeping the competition crying couldn't be easier! The package includes the plastic shroud and fan.

Specifications:
Input Voltage: 4.8-7.4V
Maximum RPM: 14,000 RPM
Wire Length: 11.4" (290mm)
Waterproof?: No. Remove before exposing ESC to moisture