This round wall clock features unique elongated numerals printed on the glass while markers are printed on the front case for a distintive modern look The quiet sweep second hand continuously glides around the clock, eliminating annoying ticking sounds; perfect for any space requiring absolute quiet Quartz crystal movement allows for the most accurate time keeping Powered by 1 AA battery (included); overall dimensions: 12.24 x 12.24 x 1.54 inches Backed by a limited 1 year manufacturer's warranty