Cibo 2Pair MARS POWER MX2212 KV920 Brushless Motor for DJI Phantom F330 F450 F500 F550 X525(2 CW + 2 CCW) Model: MX2212 Motor KV value: 920KV Battery: 2-3cells Motor diameter: 28mm Motor length (no shaft): 24mm The stator diameter: 22mm The design of a new type of impeller seat, more stable performance, more convenient disassembly You will recieve the package in about 7-14 workdays if you purchase it right now.