Slimline, radiocontrolled atomic wall clock features quartzmovement that keeps accurate time to within one second of deviation every 30 million years and automatically changes for Daylight Savings and back in the fall. Design features a plastic case, white face, easytoread black Arabic numbers, black minute and hour hands and a red second hand. Wall clock uses one AA battery (not included) and includes hanging hardware. Plastic case is made a percentage of postconsumer material and will biodegrade within 2 years in landfills.