Hi all!
I'm sorry, my belated answer.
This product was co-produced by Flying Monster Cam and Secraft.
If you get this stuff, go to www.secraft.net
If you have a question, please send a message.
Self-made s800 retractable landing gear.
It is scheduled to be released worldwide soon.
The price will be cheaper, and will be made stronger.
Specifications will tell you soon.
https://vimeo.com/53860725