====================================================================== New V3 new features: ==================== - Backplane damper installation optimization, more reliable, more convenient installation.
- added Independent tripod interface (independent tripod optional parts----will be in stock in our website for sale , not included in this listing, By installing an "independent tripod (stand)" directly docking with the Align 450 helicopters, or multi-axis aircraft tripod docking.
- By installing "arm extensions" can be upgraded into an independent four-axis aircraft.-----(arm extensions will be listed in our site for sale later , not included in this listing)