The group's principal activities are designing, developing and marketing interactive electronic bingo systems and renting them under operating type leases on month to month and long term contracts. the group currently markets a fixed-base system with light pen- or touch screen-activated monitors, and portable hand-held systems that can be played anywhere within a bingo hall. the group's bingo system allows players to play up to 600 electronic bingo card images during one bingo game. the group had approximately 7,000 fixed-base units and approximately 50,000 hand-held units operating in native american, charitable, and commercial bingo halls as of 31-dec- 2001. the group operates in 46 states excluding arkansas, hawaii, tennessee, and utah and the district of columbia.