Feature:1. Small size and light weight, convenient to use and with good performance.2. Made of aluminum and plastic, it has good heat dissipation and fast cooling, which can effectively prevent the engine from overheating.3. The JST connector is convenient and quick to connect, the wiring has positive and negative, and the wrong connection will not work.4. The engine with 16000RPM and ultra‑fast cooling speed can be used for 1/10 1/8 1/12 rc esc esc engine.5. There are four colors to choose from to meet different needs and requirements.Specification:Item Type: RC Car Cooling FanMaterial: Aluminum + PlasticInput Voltage: 5-9VMaximum Speed: 16000RPMSize: Approx. 30 x 30 x 10mm / 1.2 x 1.2 x 0.4inCable Length: Approx. 200mm / 7.9inPacking Method: BaggedCompatible: Suitable for 1/10 1/8 1/12 rc esc esc engine. Package List:1 x Cooling Fan4 x ScrewNote:1. Since it is manual measurement, please allow an error of 1‑3mm, thank you!2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.