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powerday SimonK 20A Speed Controller Emax ESC 2-3S BEC 5V 2A for RC FPV Quadcopter 250 BEC 5V 2A for RC FPV Quadcopter 250 : Toys & Games - Amazon.com
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Emax SimonK Firmware 12A 2-3S Brushless ESC for Mini FPV QAV250 Quadcopter
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