http://www.gothelirc.com/products/3332-spedix-s250-pro-bnf-w-spektrum-dsm2dsmx-fpv-racing-quadcopter/
New generation Spedix S250 PRO quadcopter with a lot improvements in structure, parts, and performance.
Compared to the old S250, this quad flies much smoother, quicker, and exhibits better...