Review and set up guide of what I have found to be the easiest OSD system I have ever found. Plug and play, no programming, 3 and 4 S compatible. records flight time, voltage amp usage, Mah and RSSi
AND ITS THE SAME SIZE AS YOUR PDB...link - http://quadrevo.com/index.php?route=product/product&product_id=56
Thanks to my friend nick who bought a few of these and was nice enough to give me one to use in a build.