Kosmos - FM 1/100 Aerial Remote + APP control RGB LED Unit

Kosmos remote app control RGB LED Unit for Full Mechanics 1/100 Aerial Before installing this product, please ensure the light assembly is tested and functioning properly. If any issues are detected prior to installation, for assistance. Please note that if the product is installed without testing and problems arise afterward, the warranty may no longer be valid. Thank you for your understanding and cooperation. Instruction: Youtube instruction