Betrayal at House on the Hill: Upgrade Kit - Rules of Play says:
The Betrayal at House on the Hill: Upgrade Kit includes six pre-assembled and double-sided character cards with dials sandwiched between the two sides to accurately track your characters speed, might, sanity, and knowledge with ease! Featuring new character art and sturdy construction, these new character cards are sure to bring new life to your next session of Betrayal at House on the Hill! This upgrade kit also includes eight premium dice featuring the custom pips and an eerie, pearlescent green and piercing, bright yellow color scheme matching the well-known Betrayal at House on the Hill game box!