12-24 hour wall clock makes two revolutions every 24 hours. Design features a bronze frame, white dial face, black numbers & minute hands, & a red second hand. Quartz movement maintains 0.33 seconds per day accuracy. Slimline Wall Clock includes hanging hardware & 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.