ABOUT RADIOSHACK 1650 FAST RESPONSE MODEL 60-2194 ELECTRONIC CHESS COMPUTER
RADIOSHACK 1650 FAST RESPONSE Electronic Chess Computer - picture taken from box.
Your RADIO SHACK 1650 is an uncomplicated chess computer that automatically registers your moves on the build-in chessboard. It uses 16 lights on the edge of the board to indicate its own moves. This computer is battery and AC adapter operated and contains a low-power memory which will retain the last operation of an interrupted game for up to one year.
Excerpts taken from the RADIOSHACK 1650 FAST RESPONSE user manual.