Esschert Bird Doorbell, Cast IronRustic bird doorbell: This charming doorbell features a detailed bird perched atop a cast iron frame with a brown finish. Cast iron construction: Made from sturdy cast iron, this bird doorbell is designed to withstand the elements and last for years to come. Easy to install: With a height of 20. 1 inches, this doorbell is the perfect size for most doors and is easy to install with just a few screws. Unique design: The bird design is a unique and eye