Game buzzers: you will receive 4 packs of buzzer light buttons with light and sound, featuring a black and red shell, blue sides, and 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, encouraging active participation in contests and quiz games. Make quizzes more interesting: using button buzzers can help stimulate enthusiasm, encourage engagement, and promote positive thinking, making classes more entertaining and interactive. Durable and portable: buzzer sound buttons are made of durable ABS material, able to withstand drops and continue functioning. Lightweight and easy to carry, each measures 97 x 112 x 116mm—sized comfortably for users of all ages. Easy to use: contest buzzers are powered by 2 AA batteries (batteries not included). After installing the batteries, simply press the red button to activate the light and sound. The buzzers produce a clear, loud sound that is not overly disruptive. Color: as shown. Material: ABS. Package Contents: 4 x Game Buzzers. Only the above package content is included; other products are not included. Note: Lighting and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.