Battery: AA 1.5V battery(not included). NOTE: Please do not use too much power battery, or the movement will be broken.
Silent Clock: Acrylic Mirror Sticker +EVA Foam, It Shown Very Bright and Clean, Also Can be Like the Mirror
Enjoy the fun of DIY: You can easily extend or reduce the diameter of the clock to suit the different size wall. It can be placed perfectly as TV wall, living room or bedroom decoration.
Easy Installation:Package includes self-adhesive stickers and auxiliary scale ruler for installation.Each mirrors have a protective film, please tear off after installation