Slimline low-profile quartz-movement wall clock. +/- 1/3 second accuracy per day. Easy-to-read black Arabic numbers, black minute and hour hands, and red sweep second hand. 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.