1-1 thrust ratio, comes in three different colors...truly excellent performance, maybe the best of the 64mm foamies. Fast and fun, with outrunner power. Maybe the fastest 64mm foamie of all. It is in stock in three different colors. length770 MM Wingspan525MM Take off weight450g Motor out runner brushless motor(4300kv) ESC 30A ESC SERVO:9g 3pcs; EDF 64MM fan*1pcs Suggested battery: 3s 1300 20c