Acroprint C-72 is a dependable watchman's clock designed to enhance security through accurate guard tour monitoring. It offers versatile recording capabilities with up to 15 numbered or lettered stations, allowing you to track guard巡逻routes precisely. The 72-hour paper dials provide a clear record of each巡逻, indicating the time and location of each station visit. The device's durable construction and simple operation make it an ideal tool for various security applications.