Just plug the Wireless Module into your existing Challenger Buzzer Box Master Control port. In seconds, it's using wireless Radio Frequency Technology

• Use up to 4 Wireless Buzzer Systems, up to 16 players per system, in one room with ABSOLUTELY NO interference  from other wireless devices nearby
• Place contestants up to 100 feet from Challenger Buzzer Box Master Control
• Module set-up includes the Wireless Module and corresponding number of buzzers ordered.
• Available in Showtime Handgrip or Showtime Tabletop models only
• Each buzzer requires 2 AA batteries; Playtime approximately 2 years
• Features state-of-the-art LED Technology; No more changing light bulbs

   Wireless module is compatible with Challenger Buzzer Box Master Control purchased after 2000 (those in black enclosures) It does not work with pre-2000 Buzzer Box Master Control models (those in tan enclosures) or Inquisitor systems