Poker Ace PTD Version 2.1 Controls all aspects of your tournament (Including blinds, antes, pot size, breaks, re-buys and add-ons) Runs on 2 AA batteries (no cord required) 3.5 Inches wide by 2.5 inches tall (fits in your poker chip case) 2 customizable tournament structures (program and save for next time) 8 pre-loaded tournament structures (including a "Heads up" and a "Sit and Go" programmed structure)