Workstation clock has black numbers/hands, red second hand, radio-controlled atomic quartz movement. Keeps accurate time to within one second of deviation every 30 million years. Automatically adjusts hour hand in spring and fall. Adheres to partition fabric without damage. 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.