This door opening bell chime is made of beech and copper material with a fine finish, simple fashion style, suitable for a long term use. The door opening bell chime is easy to install and widely used, the crisp sound you hear clearly. Features -Color:Assorted Color -Material:Beech, copper -Size:7.20X7.20X5.20cm/2.83X2.83X2.04in - Door opening bell chime can be a great addition to your home or business, providing a welcoming sound whenever someone enters. - Japanese style door chime is simple and decorative that matches your home decor and add personality. - Door chimes are easy to install and can be installed on metal door, wood door, refrigerator, and more. - Door chimes can be used in a variety of applications, such as homes, businesses office, hospitals and schools. - Door chime can give customers a reassuring sense of safety and confidence, while providing a pleasant sound as they enter. Package list: 1 opening chime