How to get multiple category with other parameter in WP_Query

Hello Guy

I want to display post with selected multiple category. here my current code

$args2 = array('post_type'=>'product','numberposts'=>-1,'orderby'=>'rand', 'category' => 'INDICATOR',);
  $myProducts = new WP_Query( $args2 );

here u see i can use only one category. but want to select multiple category also my other parameter

Please help me how can i do that.