Slimline radio-controlled atomic quartz-movement keeps accurate time to within one second of deviation per 30 million years and automatically changes for Daylight Savings, in the spring and fall. Clock hour hand makes two revolutions every 24 hours. Features easy-to-read black Arabic numbers, black minute and hour hands, and red sweep second hand. Bronze (dark brown) casing with white face. Hanging hardware included. Uses one AA battery, not included. All plastic clock frames will biodegrade within an average of 2 years in a landfill environment (reference ASTM D5511.) Plastic bodies contain 30% post-consumer recycled content.