Game buzzers: you will receive 4 packs of buzzer light buttons with light and sound, featuring a black and red shell, blue sides with a large white "X" on top. These buzzers add excitement to games and are easy to use (recommended age: 12 years and up). Funny game props: game buttons are perfect for pranks, desk gadgets, home games at night, club events, gags, and more. They can also be used as party competition props for adults and teens, encouraging active participation in quiz games. Make quizzes more interesting: using button buzzers helps stimulate enthusiasm, engagement, and positive thinking among participants, making learning activities and classes more entertaining. Durable and portable: buzzer sound buttons are made of durable ABS material, able to withstand drops and continued use. Lightweight and easy to carry, measuring 97x112x116mm, the size is suitable for all ages. Easy to use: contest buzzers are powered by 2 AA batteries (batteries not included). After installation, simply press the red button to activate the light and sound. The buzzers produce a clear, loud sound that is noticeable without being excessive. Color: as shown Material: ABS Package Contents: 4 x Game Buzzers Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.