The Football Referee Substitution Board is a manual signaling device designed for football and soccer matches. It uses a flipover design and a fluorescent color display to provide clear, immediate information to players, substitutes, officials, and spectators. Because it is manual, no power source is required, offering reliable operation in diverse venues and lighting conditions. Key Benefits Enhanced visibility: fluorescent color display ensures easy reading from a distance during substitutions. Fast, reliable signaling: flipover design allows officials to update substitution information quickly and with minimal effort. Power operation: no batteries or electronics needed, reducing the risk of technical issues in the league or tournament setting. Clear match flow: helps prevent confusion and keeps substitutions organized for players, coaches, and spectators. Key Attributes Functionality: manual football substitution signaling board with a flipover mechanism to display substitution information. Display: fluorescent color design to improve onfield readability in varied lighting. Compatibility: suitable for use by competition judges and referees in football and soccer matches. Use scenarios: designed for use during official matches, as well as practice sessions and tournament events where clear substitution signaling is required. Maintenance and durability: simple, lowmaintenance tool intended for repeated field use without reliance on electrical power. Use Cases Ingame substitutions: referees use the board to indicate which player is coming in and which is leaving the field, helping players and substitutes follow the substitution process accurately. Tournament or league events: officials deploy the board in competitive settings to provide unmistakable signaling to teams, benches, and spectators during substitutions. Training sessions and youth games: coaches and referees utilize the board to practice and standardize substitution signaling, improving clarity during drills and scrimmages.