Features: Funny game props: Game answer buttons are Perfect for pranks, desk--gadgets, home game at night, club revelry, gags and more; Also can be applied as party competition props for adults, boys and girls, the participants can be actively encouraged to participate in the competition by using quiz-buzzers Make quizzes more interesting: use button buzzers , can mobilize the enthusiasm of students, help them get involved and positive thinking, that will make classes much more entertaining and activity Sturdy and portable: buzzer sound buttons are made of durable and resistant ABS material, even dropped many times that still work, and easy to carry, measures . Use for family fued game:The game answer buzzer is perfect for a funny prank, office desk-gadget, home-quiz evening & can be party contest prop toy for kids. Actively encourage contestant to join in the competition with this quiz-game buzzer. Easy to use: contest buzzers are powered by 2 AA batteries (batteries not included), after installing the batteries, simply press the red buzzers to light them up, and game answer buzzers have appropriate volume Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: ABS Battery: 2 AA Battery(not Include) Package List: 1/2/3pcs Game Answer Buzzer