Millennium ChessGenius & Chess Genius Pro, Model M810 & M812 - Electrical Transformer AC Power Supply Source Adapter Adaptor Cord This is the AC Adapter for the Millennium ChessGenius, Model M810, and ChesGenius Pro M812 Also called electrical transformer AC power supply source adapter adaptor cord Provides power from wall electrical outlet 6 foot cord Millennium Article / Item / Model M811 - Electrical Transformer AC Power Supply Source Adapter Adaptor Cord for Millennium Chess Genius, Model M810, and Millennium ChessGenius Pro, Model M812