Material: high quality Acryl,not easy to deform, not easy to fade, corrosion resistantSize: 30x30 cm / 12 inchesRuns on one AA battery(battery NOT included)Fine workmanship and beautiful edgesSilent: Quiet wall clock, no"Ticking", no noise, this silent wall clock won't bother you when you reading, working, thinking, conversing or sleepingwall clock bedrooms big silent gym decor home large office school decorative kitchen and the perfect decoration will become the attractive centerIf you have any question about our product, please contact us in any time, we will help you solve the problem try our best.