ZTW 12A UBEC ESC & Motor Combo Multiple LEDs flash a few

Multiple LEDs flash a few times to complete the operation

Shaft diameter ：4

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ZTW 12A UBEC ESC & Motor Combo Multiple LEDs flash a fewFeatures: 1. Adopting CPU made in USA with decreased the electromagnetic interference to ensure that receiver works well . 2. The working status of UBEC is shown by an indicator (LED). When UBEC works, the blue LED lights. 3. Battery polarity reverse protection (If the connection is wrong, the UBEC will not work.). Important notice 1. If a UBEC is connected to an OPTO type ESC (ESC without BEC output), just connect the input lead of the UBEC to a