MATERIAL USED – The Assorted Collections doorbell button is beautifully made with a solid brass round doorbell. The shape is designed in a round which gives an eye-catching look to the doorbell. WIRED DOOR BELL PUSH BUTTON - This electric doorbell button is designed to operate a standard door chime located within a home. It must be hardwired into the wall. It is compatible with existing two-wire electrical systems. PREMIUM QUALITY BUTTON – The quality and style of your entryway Classic "Press" Lettering Cast into the Top Half. It is the perfect choice for your vintage decor or mid-century home. PRODUCT DIMENSIONS: Backplate 62 mm. This is an ideal size for any doorbell. It is a universal size that will be suitable for any kind and size of the door. EASY INSTALLATION – It Includes installation hardware such as high-quality 2 solid brass screws. For fixing screws on any wooden surface, mark and drill pilot holes with a drill bit appropriate for the mounting hardware. Put a drop of oil on the screw tip, Insert and tighten the screw. Do not over-torque the screw as it may break. The screws supplied are for wooden surfaces. For Metal surfaces, other suitable screws must be used., Manufacturer: Assorted Collections