wow how prices change I have the naza m lite w/gps v1 I paid just shy of 500 U.S. A few years ago and have never used itIf it was me, I'd spend the extra $25 on the real thing. I hear you can then upgrade it to a full Naza firmware, but you'd need to look into that. http://www.banggood.com/DJI-NAZA-Flight-Control-System-and-GPS-Lite-Version-p-906572.html