High Contrast Quartz Wall Clock with large, bold white numbers against a contrasting black background makes it easy to tell time from a distance. Quartz movement is accurate to within approximately 2 minutes per year. Shatter-resistant lens features a UV coating to protect against fading. High-impact plastic frame and body are made with 30 percent post-consumer recycled content. TAA-compliant, battery-operated wall clock with black case uses one AA battery (not included).