RC Ducted Fan, 50mm RC Electric Ducted Fan 12 Blades Ducted Fan with Brushless Motor for RC Planes(Clockwise 5000V ) Note Minors are not allowed to use this, or must be used under adult supervisionUnderstand and abide by the terms of safe operationFor safety reasons, do not face the air inlet or outlet of yourself or othersWhen using or testing this product, please resolutely place it firmly in the model or other support equipment, and it is forbidden to carry out the poweron test by handWhen using or testing this product, please do not touch or approach the rotating parts and keep it away from the working fan to avoid serious injury.When using or testing this product, please do not allow foreign objects to enter the fan, so as not to damage the product or cause injury to the juryThis product is only used for modern aircraft or industrial purposes, please do not use it in household appliances or other daily activities.This product has passed the "dynamic balance test" when installing the motor, please do not disassemble, repair, or modify by yourself to avoid slowing down the speed. Specification Item Type RC Ducted Fan Material Aluminum Alloy+Plastic+Copper Color Black Model QF2611 50mm Number of Paddle 12Pcs Structure 9N6P Motor Diameter Approx. 25.8mm/1.0in Motor Weight Approx. 76.5g/2.7oz Lithium Battery Index 3-4S Lipo Maximum Continuous Power 550w Maximum Continuous Current 45A Package List 1 x RC Ducted Fan Package List 1 x Manual