JustNile DIY 3D Wall Clock Display - Blue Fish Design Movement's diameter about 10cm, the whole size suggested to be around 12" x 12" / 30 x 30cm Its features a 3D effect that will surely add depth and tone to your existing furnishings Made with plastic acrylic material This can be used inside your bedroom, living room, dining room or office Requires 1 AA battery (NOT included) and recommend using Carbon-Zinc Battery