Description: Easy to Use: These interactive buttons are user friendly and easy to operate. Simply press the button and it will instantly play sounds and lights.LED Light Function: In addition to making sounds, these recordable talking buttons light up when the button is pressed, adding an extra layer of fun interaction.Multi Function: The light up and sound making answer buzzers can be used in a variety of situations, such as toys, games, teaching tools, pet products, etc.Durability: These recording sound buttons are usually designed with sturdy materials that can withstand repeated pressing without being easily damaged.Ideal Gift: This sound making toy set is an ideal gift for children and adults on occasions such as Halloween, birthdays or other holidays. Size Chart: diameterxheight:9cmx4cm/3.54inchx1.57inch Package Includes: 4 Recording Buttons Note: Please allow slightly errors due to manual measurement and different monitors.