Material: This large wall clock is made of a 12cm metal disc + 1cm EVA + 1mm acrylic sticker, water-resistant, 3D acrylic mirror, and aluminum clock hands; precision-cut, smooth edges, no deformation, non-toxic. Large Wall Clock, 80-120cm This modern design wall clock has a minimum diameter of 80cm and a maximum diameter of 120cm. The large size is suitable as a statement piece for your wall. The package includes a clock sticker and a sub-scale. Each acrylic mirror has a protective film. The wall will not be damaged during installation, allowing you to enjoy the happy experience with your family while decorating your home. Silent The large wall clock's silent function is based on the brand's unique design. It effectively reduces movement noise, lowers power consumption, and extends lifespan. It uses AA batteries (1.2~1.5V, non-alkaline batteries (batteries not included), good quality and long life. Provides you with a quiet night in silent motion. Modern Fashion Style The mirror acrylic stickers indicate the clock's function on the wall and create an elegant atmosphere. You can use it to decorate your room. Large wall clocks come in three styles. So you can choose the style that suits you and enjoy your family time.