RekonFPV Rekon 4 Freestyle FPV Frame KitThe rekon 4 is a fantastic 4" build platform. With the capability to use DJI through a Caddx Vista unit, as well as multiple stack sizes for mounting, it is an incredibly versatile build. Check out all our 4" Frames, our Rekon4 Collection and the rest of our RekonFPV Products! Features: *Support(20x20 25. 5x25. 5mm)mounting holes; *Supports AIO stack installating at the same time, ultra light and lasts super long in flying. Specifications: Material: