If you’re serious about your quadcopter’s performance, look no further than the A2212. Built with high-end magnets, a high pole count and custom motor mount, this motor is designed purely for multi-rotor applications. The A2212 includes an integrated prop adaptor for use with many different style props featuring a 4mm shaft and adaptor sleeves for 5mm/6mm props. It also has an in-built aluminum mount for quick and easy installation on your quadcopter frame. This is not a modified airplane out the runner. It was designed from the ground up specifically for multi-rotor applications. Dimension: 27.8X27mm Shaft diameter: 3.17mm Max Efficiency: 80% Max Efficiency Current: 4-10A (>75%) Current Capacity: 12A/60s No Load Current – 10V: 0.5A No. Of Cells: 2-3 Li-Poly Weight: 65g KV: 1000 Suitable for the propeller size: 1047,1060,9050