Feature: 1. Applicable To: The cooling fan is light in weight and does not increase the burden of remote control vehicle. It is applicable to for TRAXXAS 1/8 4WD SLEDGE for MONSTER TRUCK 950764 remote control cars. 2. Aluminum Alloy: The RC cooling fan is made of premium aluminum alloy and plastic material. The aluminum material has good thermal conductivity. The 4028 ultra strong wind cooling fan has better heat dissipation effect. 3. 8‑12V Voltage: The power supply voltage is 8‑12V, which can be supplied by the equipped 2S and 3S grease balancing head, with circuit breaker, which can be closed when not in use. 4. Installation: During installation, first align the heat sink of the motor and then tighten the fixing screws. It is very convenient to install without damage. 5. High Speed: The fan can make your remote control car more cool, with high speed design. When the power supply is 12V, the speed can reach 21000 rpm, and the power supply current is 1A. Specification: Item Type: RC Cooling Fan Material: Aluminum alloy, plastic Gross Weight: 72g/2.5oz Suitable for: For TRAXXAS 1/8 4WD SLEDGE remote control car, for MONSTER TRUCK 950764. Package List: 1 x RC Cooling Fan 2 x Aluminum Alloy Cover 9 x Screw 1 x Connecting Wire