This remote is a genuine OEM replacement remote for the Serta Motion Essentials 4 (4th Gen IV Model). Look closely at the buttons... the bottom right is for massage where as the 3rd gen (see other listing if needed) had a zero gravity button. We can order remotes other models but you must view our other Amazon listings. We include directions for easy syncing! Make sure your original remote looks exactly the same as the remote shown or this may not work