Kyosho KELLY 70 EP(No.10075) is a 1:8 Scale Radio Controlled Super Quality Series Electric Powered Air Racer. It is an advanced model for experienced flyers and requires a minimum 4 channel radio for airplanes (with 4 standard servos), 8 AA-size Batteries, and a battery for Rx that is 4.8V-400-500mAh. The model comes with a suitable Outer Rotor Motor with a total output of between 600-800W, a Speed Controller of more than 70A, and a Battery of 18.5V-4000-5300mAh. It also includes a Propeller and Spinner that match the motor.