Features: Emax GT2215/10 1100kV Brushless Motor. An optional equivalent to the original EMax motor found inside of Power Pack ""C"". Specifications: Input Voltage: 2-3s LiPo (7.4-11.1V) Stator Dimensions: 22x15mm Shaft Diameter: 4mm Weight: 70g Current: Maximum of 18 amps or 200 watts for 30 seconds KV: 1100 Bearings: 4mm x 8mm x 3mm Mounting Dimensions: 16x19mm w/3mm hole Recommended Model Weight: 300-1100g (AUW with Battery) Recommended Prop: 10x4.7 - 11x3.8 Package Contents: 1x EMax GT2215 Brushless Motor 1x Bolt on Prop Adatpter w/Hex Nut 1x Clamp Style Prop Adapter 3x Female Bullet Connectors 1x "X" Style Motor Mount