H011S 550 540 Motor Cooling Heatsink Heat Sink Single Fan Only JST
Complete with Jst black 3 pin connector red n black wire n dean pin. Input 4.6 7v for fan. Can be used using the spare port of your receiver.To fit 540 or 550 motor heatsink.Top right to bottom left measures 34mm diagonal. Box measures 30.02mm x 29.94mm x 7.57mm thick
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