Description: Glow in The Dark: The numbers and hands which have night light function. It asks for absorbing enough light energy during the day. At night, it is released in a fluorescent manner, so you can see the light dark . Easy to Read: Design with large Roman numerals, which makes reading the time easy perfect for dining rooms, living rooms, family rooms, bedrooms, study room,kitchen, office and meeting room. Silent Sweep Second Movement: The premium quality of the precise quartz movement guarantee accurate time, also the silent sweep ensures a good study and work environment . Novelty: Glow in the , decorate the children', ease , Easy to install, a small nail through the plastic hook. DIY Large Size( Adjustable) : The whole round pattern diameter 0CM-50cm, suggest 40CM is best, Powered AA battery (not included) . Specification: Material: Acrylic Size: 20cm-50cm/7.87inch-19.69inch Package Includes: 1 Piece Luminous Wall Clock Sticker