12-24 hour wall clock makes two revolutions every 24 hours. Design features a bronze frame, white dial face, black numbers and minute hands, and a red second hand. Quartz movement maintains 0.33 seconds per day accuracy. Slimline Wall Clock includes hanging hardware and runs on one AA battery (not included). Plastic clock frame will biodegrade within two years in landfills. Clock body contains 30 percent post-consumer recycled content.