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Cooling fan can power supply over receiver, convenience and easy to use.
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.
Heat sink adopts high quality materials designed clamp shape and exquisite workmanship, durable and can used for a long time.
