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Suitable for Naze32£¬ CC3D£¬ skyline32 and SP Racing F3£¬ one pin can support controlling 32 LEDs and each LED can show different color at the same time. Working voltage: 5V; Suggest to buy two pairs£¬ connect them in series£¬ and install them at the bottom of aircraft arm. It is proposed to install 2 LEDs with fixed color on nose£¬ used to indicate the nose direction. Set LEDs on tail in alarm function so as to timely remind pilots in aircraft failure. Functions: Indicating the remote controller pitch/roll position Indicating the nose and bearing Indicating flight mode£¬ running state Low pressure alarm£¬ fault safety alarm