T-Motor MN2214 KV920 Version 3.0 boxed set of 4 motors for DJI Phantom 1 & 2 upgrade NEWEST upgrade version for DJI Phantom, not only includes 2pcs CW & CCW screw thread motors as Version 2.0, it also includes additional upgraded bearings and shaft to strengthen motors' stability and increase the lifetime. Perfect upgrade to get more power, higher efficiency, and longer flight time from your Phantom or Phantom 2. Works with the stock DJI Phantom props, or combine with our T-Motor antiGravity 9x3 gloss white carbon fiber props (sold separately) for even more performance improvement! Each set includes 4 motors. Best Choice for 400-450 multi-rotor copters. Specs: 920KV, 17A 251W max power (14.8V, 180 seconds), 3-4S LiPo. Efficiency: Max (2.5-8A) &gt; 80%, Idle 0.75A @ 10v, Internal resistance: 98 milliohms.