Feature: 1. Compatible Models: Cooling fan set for Slash 4x4 VXL 1/10, for Rustler 4x4 VXL, for Stampede 4x4 VXL, for Hoss 4x4 VXL, for Velineon VXL. (Note: Not available for Traxxas 2WD) 2. Motor Cooling Fan Group: Maintain the control of the motor, make it efficient operation and cooling; Cool ESC for maximum power during extended operation. 3. Excellent Grade Material: Heat sink double fan made of aluminum alloy and hard plastic, light weight, high temperature resistance, fast heat dissipation. 4. IP44 Waterproof: The cooling fan combination is rated IP44 waterproof, so you don't have to worry about damaging the cooling fan when the car is driving in shallow water. 5. Ideal Choice: Our products use strict processing technology to provide you with better products, is the ideal choice for you to buy remote control car accessories. Specification: Item Type: RC Heat Sink High Velocity Fan Weight: 65g/2.3oz Main Materials: plastic and aluminum alloy Operating Voltage: DC 5V Power Plug: for JST Compatible Model: for Traxxas Slash 4x4 VXL, for Rustler 4x4 VXL, for Stampede 4x4 VXL, for Hoss 4x4 VXL, for Velineon VXL 3s 1/10 RC car . Package List: 1 x Electric Radiator1 x Motor Radiator 1 x Y Line