The HelloRadioSky V12 S1/S2 Self-Centering Rotary Dial Switch is a replacement accessory designed for the HelloRadioSky V12 remote controller. It is used to repair or replace the original S1 or S2 dial switch and features an automatic center-return function for smooth and reliable operation. This part is suitable for auxiliary channel control, custom transmitter functions, and remote controller maintenance or spare parts replacement.
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