Happymodel Mobula7 HD Fixed Nylon Column for Crazybee F4 PRO FC and Caddx Turtle Mount 25mm 25mm Convert to 20mm 20mm. Happymodel ovx300 ovx303 40ch 300mw adjustable openvtx video micro transmitter. Suitable for Caddx Turtle to fit the Original Crazybee F3 / F3 PRO / F4 PRO.
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