Classic Vintage Wall-Mounted Doorbell: You'll receive 4 sets of shop doorbells in 2 different colors. Each set includes 1 bell and 1 bracket, enough to meet your needs for various Christmas decorations. It will alert you when someone enters, always providing an unexpected surprise experience. Reliable Material: These antique doorbells are made of quality metal and solid brass, ensuring they are sturdy and can be used for a relatively long time. They produce a loud and clear, crisp and sweet ring that can be heard from a distance. The all-brass bell is attached to a strong spring band and mounts to the door with screws. Its unique design adds a classic look to your house. Clear and Melodious: These wall-mounted metal shop doorbells let you know when the door opens with a loud ring. Featuring a simple and antique design with a crisp sound, the gentle sound of the metal bells creates a harmonious experience for your home or garden. This bell can be installed on your door or wall and used as a doorbell or decoration. Easy to Install: These dog training bells are easy to install. With screws included, this bell can be mounted on your door or wall for use as a doorbell or decoration, bringing empty walls to life and enhancing the retro feel of your space. Additionally, you can utilize its function as a service bell in hotels, shops, restaurants, etc. Scope of Application: This door opening chime is easy to use and highly suitable for your home, shop door, house door, fence door, indoor and outdoor doors, garden, patio, lawn, bar, office, etc. It's also a nice decoration for Christmas, weddings, parades, parties, carnivals, celebrations, and more. You can also send them to express greetings. Color: Black & White Material: Zinc Alloy Package Contents: 4 * Door Bells 1 set * Screws Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.