Motor ESC Combo,SKYRC LEOPARD 4370KV 9T Brushless Motor+60A ESC Speed Controller+Program Card for 1/10 Scale RC Car Truck This combo set including burshless motor,brushless ESC and program card for 1/10 scale RC car truck. Leopard 60A ESC is high performance 1/10 Scale Brushless Motor Electronic Speed Control.the ESC is specially designed to offer high power and high efficiency combined with low weight and compact dimensions. ESC Input Power (Cells):2-3S LiPo,4-8S NiCd/NiMh with Thermal Overload Protection Motor:4370KV 9T with 3.17 shaft,weight about 172g Program card for RC car,dimension: 52.5x79.5x6.6mm,weight: 11g