SkyRC Cheetah 4000KV 8.5T 400watts Sensored Brushless Motor and CS60 60A ESC Combo Set for 1/12 and 1/10 Scale Car Electric Speed Controllers Support Both Sensor or Sensor-less Brushless Motor Cheetah 1/10th CS60 60A Sensored ESC is designed for 1/10th and 1/12th scale car with the use of 2-3 cells LiPo battery and 5-9 NiMH battery. Equipped with 6V/3A BEC, it doesn't need a separate receiver pack. With Program Card, you could set cut-off voltage, brake and punch strength, drag brake and other parameters. Small size, Easy Programming, Sensor-Based for Excellent Torque and Low-Speed Drivability,CE FCC Sensord Brushless Motor:4000KV 8.5T ,400Watts Resistance:0.0142.Rotor(mm):12.5 Weight:165,Shaft Diameter:3.175 Sensord Brushless Esc:Size:39X38X20(LXWXH) ,Battery cell Count:23Slipo or 49sNiMH,Resistance:0.0007Ohm,Weight:30g what you get:sensored brushless Escsensored Brushless MotorProgram Card