Features:High quality light weight brushless motors with rotating case、 suitable for all models of 200-600g.Motor is accurately CNC machined for smoother and quicker running.Bearings are made of high temperature and high carbon steel.Specifications:Number of cells: 2-3 Li-PolyRPM/V: 1200 RMP/VMax. efficiency: 82%MAx. efficiency current: 7-16A(>75%)No load current/10V: 0.9ACurrent capacity: 16A/60sInternal Resistance: 150mohmStator Dimensions: 22 * 10mmShaft diameter: 3mm Recommended model weight: 200-600gRecommended prop without gearbox: APC 7*6、 APC 8*3.8、 APC 9*4.5、 APC 10*5Item size: 3 * 4.8cm (Diameter * Length)Item weight: 43gPackage size: 5 * 4 * 4cmPackage weight: 45gPackage including:1 * Brushless Motor