Description Description: Universal Design: Our replacement doorbell buttons are designed for universal use, making them suitable for a wide range of doorbell systems. Premium Material: Made from high strength silicone material, these doorbell buttons offer great performance. They respond quickly, allowing you to easily press and activate your doorbell. Product Dimensions: Each button has a diameter of 1.9cm/0.75inch and a thickness of 0.8cm/0.31inch, making them the great size for most doorbells. Package Includes: Each package comes with 4 replacement buttons and 2 screws, providing you with everything you need for easy installation. Enhanced User Experience: With our replacement doorbell buttons, you can ensure your doorbell is always in optimal working condition. The black color also adds a sleek and professional look to your entryway. Specification: Material: Silicone Size Chart: Diameter 1.9cm/0.75inch Thickness 0.8cm/0.31inch Package Includes: 4Replacement Doorbell Buttons 2 Screws Note: Please allow slightly errors 1-2cm differences due to manual measurement.