AboutThunder Storm X9 fourth generation high-speed piston fully active telescopic aircraft cuptotal0records; Warm reminder:Because the manufacturer has changed the product packaging, place of origin or replaced the accompanying accessories, there is no notice of withdrawal, and each consultant has different purchase conditions, withdrawal time, etc., so the following reply is only valid for 3 days for the questioner, and other netizens are only for reference! If this brings you any inconvenience, please forgive me, thank you!