Locks out all other responses until reset. Ask for it, if ordering this system. Designed for High School Certamen. System is a box with 12 or 16 thumb activated buzzers held in hand at end of long chords. System can be set for individuals or teams of 4 players each.
System is delicate, so be careful with it.
Can play as teams or as individuals. The prices below might be available with a special request for a discount through me. It has response modules for two teams of four players each. Each palte has a light in front of them connected to moderators panel. Price not listed on website.