Game Answer Buzzer: You will receive a 4-pack of light and sound buzzer buttons. The shell color is black and red, and one side is blue with a large white \"x\" on top, which increases the fun of games and is easy to use (recommended age: 12 years and up). Fun Game Props: The game answer buttons are perfect for fun pranks, desk gadgets, home game nights, club festivities, jokes, and more. Can also be used as competition props for adults, boys, and girls. Participants can be actively encouraged to participate in the competition by using quiz buzzers. Make Quizzes More Interesting: Use the game button buzzers in the classroom, they can mobilize students' enthusiasm, help them engage and think positively, making lessons much more entertaining and active. Durable and Portable: The sound buttons are made of durable and resilient ABS material, working even if dropped many times. They are lightweight and easy to carry, measuring approx. 97x112x116 mm, the dimensions are not too small or too large, suitable for all ages. Easy to Use: The competition buzzers are powered by 2 AA batteries (batteries not included). After the batteries are inserted, just press the red buzzers to light them up, and the game answer buzzers have an appropriate volume, loud enough without being too loud. Color: as shown. Material: ABS. Package contents: 4 x Game Answer Buzzer. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.