1, 3.5CH, IR,LED,build in GYRO 2, up/down/swerve/back/forward 3, with magnet sucker and plastic hook,loading weight 3g ... . 1, 3.5CH, IR,LED,build in GYRO2, up/down/swerve ... /back/forward3, with magnet sucker and plastic hook,loading weight 3g ...