Home DIY Decor Circles 3D Modern Mirror Wall Clock Watches Sticker Decal New (Silver) New World Of DIY Household,100% Acrylic Material It is a real clock, you can calculate time, approximate time Installed Size:45X56cm;Dial diameter:13.5 cm;The biggest round:18cm 1MM thick plastic mirror,Power by AAA batteries (Not included) Very fashion and modern breath, Can DIY. You could design you like