... .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.CE&ROHSFactory ...