Material The giant wall clock is made of 12cm metal disc + 1cm EVA + 1mm acrylic sticker , waterproof, 3D acrylic mirror and aluminum clock hands, precision cut, smooth edges, no deformation, non-toxic. Giant 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 background wall. The package includes a clock tag and a secondary 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. MuteThe mute function of the giant wall clock is based on the brands unique design. Effectively reduce motion noise, reduce power consumption and extend service life. It uses AA batteries (1.2~1.5V, non-alkaline batteries (batteries not included), good quality and long service life. Give you a quiet night in quiet movement. Modern Fashion StyleThe acrylic stickers on the mirror indicate the function of the clock on the wall, creating 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.