The theben tr610top2 time clock is a reliable and efficient device designed for industrial automation and motion control systems. With a brand name of theben known for quality products, this time clock ensures accurate and precise timing for various operations. This single unit offers a solution for businesses, offices, and industrial settings requiring a dependable and high-performance automation equipment..the time clock has no instructions but you can get them off the internet.has scratches on but has not been used .as photo shows