Game buzzers: you will receive 4 pack buzzer light buttons with light and sound, the shell color is black and red, side is blue with a big white "x" on top, adds excitement to games and is 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; also can be used as party competition props for adults and teens, encouraging active participation in games and quizzes Make quizzes more interesting: use button buzzers to mobilize enthusiasm, help with engagement and positive thinking, making classes more entertaining and interactive Durable and portable: buzzer sound buttons are made of durable ABS material, withstands drops and continued use, lightweight and easy to carry, measures 97x112x116mm, size is suitable for most users 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 light and sound, buzzers have appropriate volume, loud enough without being excessive Color: as shown Material: ABS Package Contents: 4 x Game Buzzers Only the above package content, other products are not included Note: Lighting and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 1-3cm.