This is a decorative door knocker with a simple swing mechanism attached to the door knocker that is manually lifted and then strikes the door knocker, creating a loud knocking sound that alerts you to people in your home/apartment. Our door knockers are made from solid cast iron with a distressed brown powder coated finish for an antique look. Suitable for both indoor and outdoor use, perfect for the front door or garden shed Add a grand touch to your grand home Featuring a flying owl design and a lovely vintage look, this elegant door knocker will make the perfect statement for anyone entering your home! Size: 17*22*4.5 cm Note: The data are all manually measured, please allow 1-3cm error due to differences in light and display, there may be differences in color, please refer to the actual item received.