Zombie Cooling Fan 40mm Incl. Fan Duct

Zombie Cooling Fan 40mm Incl. Fan Duct
Ordinary fan can only provide efficient cooling to a flat surface while we make the air flow following the shape of the motor and force the wind to get in the motor to achieve the maximum cooling, ordinary fan can only generates about 2 gram around on a motor shape but we can generate 12 gram+ wind force.