$page_metabox->add_field( array(
	'name'        => esc_html__('Page Header Switcher', 'voifone'),
	'id'	  => $prefix . 'switcher',
	'desc'        => esc_html__('Show or hide Page Header Area.','voifone'),	    
	'type'    => 'switch',
	'default'    => 1,
	'label'    => array('on'=> 'Show', 'off'=> 'Hide') //default On, Off
) );

$page_metabox->add_field( array(
		'name'    => esc_html__( 'Opacity', 'voifone' ),
		'id'      => $prefix . 'page_bg_opacity',
		'type'        => 'own_slider',
		'min'         => '0',
		'max'         => '1',
		'step'        => '0.1',
		'default'     => '0', // start value
		'value_label' => 'Value:',
	) );