Nunafey Cooling Fan, RC Car Motor Heatsink, for RC Car Car Model RC Accessory Car Model Accessory(red)

• Heat sink adopts high quality materials designed clamp shape and exquisite workmanship, durable and can used for a long time.
• Heat sink specially designed for 540 550 3650 3660 RC model car engine.
• Temperature sensor will accurately detect temperature rise, when engine temperature rises to 40℃, cooling fan will automatic turn on to cool engine.
• Heatsink with thermal sensor RC equipped with 5‑11V cooling fan, to protect your engine.
• Cooling fan can power supply over receiver, convenience and easy to use.

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