LH-X16 2.4Ghz 6 CH 6-Axis Gyroscope One Key Return R/C This is a 6 channel 4 rotor design, Quadcopter Drone with a built-in Gyro.The remote contorl operates with 4x 1.5v AA Batteries (not included), the quadcopter is has built-in battery which needs to be charged with the charger provided in the kit.