Game buzzers: You will receive 4 pack of 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 for ages 12 and up. Funny game props: Game buttons are perfect for pranks, desk gadgets, home games at night, club events, gags, and more. Ideal as party competition props for adults, teens, and kids. Encourages active participation in quizzes and games. Make quizzes more interesting: Use button buzzers to boost student engagement, encourage involvement and positive thinking, and make classroom activities more entertaining. Durable and portable: Buzzer sound buttons are made of durable ABS material. Resistant to drops and impacts. Lightweight and easy to carry. Dimensions: 97 x 112 x 116mm. Size is suitable for all ages. Easy to use: Contest buzzers are powered by 2 AA batteries (batteries not included). After installing 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 Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3cm.