4 Channel RC System with CE approval Brushless Motor Shaft: Diameter: 4mm No load current: 0.85A Weight: 53g Internal resistance: 26m?? Output: 110W Thrust: 17oz Dimensions: 40x48mm Max: 15A RRP: 1000 rpm/V Suitable propeller: 10x6 Batteries: 3 Cell Li Po for aerobatics airplane Li Po Battery: 11.1V 1200mAh Charger (UL/CSA, CE Approval) Charge Time: 1 Hour Battery Last: 30-40 Minutes Quality Standard: UK, Europe, America, Australia, China etc Product Size: 42 x 26 x 75 cm Packing: Carton Size: 62X44X8CM NW/GW: 1.6/2KGS Cube: 0.03CBM