3D effect roman numerals scale mirror wall clock. Easy to install and remove, self-adhesive, light-weight, wate-resistant, non toxic and safety for kids. The clock dial is 12cm (4.7inch) diameter, and its assembling size depended on your design on wall. Silent sweeping mute movement, quiet night you have. Could be applied on all smooth walls of living room, bedroom, dining room, kitchen, office, tiles, doors, windows, closets, etc.. Also as a decoration mirror. Specification: Material: Acrylic Power Source: AA battery (Not include) Applying size in picture: 60x60cm / 23.6x23.6inch (You could design biger or smaller) Package Includes: 1 Set of Roman Numerals Wall Clock (12x numeral, 1x clock dial) 2x Double Faced Adhesive Tape