Heat sink adopts high quality materials designed clamp shape and exquisite workmanship, durable and can used for a long time.<br>Cooling fan can power supply over receiver, convenience and easy to use.<br>Heatsink with thermal sensor RC equipped with 511V cooling fan, to protect your engine.<br>Temperature sensor will accurately detect temperature rise, when engine temperature rises to 40, cooling fan will automatic turn on to cool engine.<br>Heat sink specially designed for 540 550 3650 3660 RC model car engine.<br>Feature:<br>1. Heat sink specially designed for 540 550 3650 3660 RC model car engine.<br>2. Heatsink with thermal sensor RC equipped with 511V cooling fan, to protect your engine.<br>3. Temperature sensor will accurately detect temperature rise, when engine temperature rises to 40, cooling fan will automatic turn on to cool engine.<br>4. Cooling fan can power supply over receiver, convenience and easy to use.<br>5. Heat sink adopts high quality materials designed clamp shape and exquisite workmanship, durable and can used for a long time.<br>Specification:<br>Condition: 100% Brand New<br>Item Type: Motor Heatsink Cooling Fan<br>Type: RC Accessory<br>Material: Aluminum Alloy + Plastic<br>Optional Color: Black, Red, Golden, Blue<br>Fan Voltage: 5-11V<br>Fitment: Suitable for Traxxas/Hsp/Redcat/Tamiya/Axial scx10 D90/Hpi Brand Using<br>Quantity: 1PCS<br>Weight: Approx. 26g<br>Fan Size: Approx. 30x30mm/1.18x1.18inch<br>Suitable:<br>Brushless Motor 3600 Serial Size Using<br>Brushless Motor 550/540 Size Using<br>Package List:<br>1 xMotor Heatsink Cooling Fan<br>Notice:<br>1.Duetomanualmeasurement,pleaseallow13mmerror,thankyouforyourunderstanding.<br>2.Thedisplaycalibrationisinconsistent.Thecoloroftheitemshowninthephotomaybeslightlydifferentfromtheactualobject.Pleaserefertotherealone<br>