Traxxas 3340 Cooling Fan Velineon ESC Accessory Cooling Fan reduces ESC temperatures during extended operation for maximum power flow Securely clips onto the VXL-3s heatsink for easy installation Wires are neatly routed thanks to the integrated connector clip Simply plug the accessory cooling fan into the Velineon VXL-3s accessory power connector Integrated Connector Clip Reduce ESC operating temperatures Clips on to Velineon ESC