Electro - Brands carousel Items to show

functions.php

if ( ! function_exists( 'electro_child_footer_bc_carousel_args' ) ) {
    function electro_child_footer_bc_carousel_args( $carousel_args ) {
        $carousel_args['items'] = 4;
        $carousel_args['responsive']['1200'] = 4;

        return $carousel_args;
    }
}
add_filter( 'ec_footer_bc_carousel_args', 'electro_child_footer_bc_carousel_args' );