DC-Digital has uniquely designed into all of our timers, counters, clocks and number displays the option of making them a synchronized system. We manufacture wired synchronized systems (U.S. Patent# 5,425,004) and wireless synchronized systems. All are USA designed and manufactured. Questions-Contact Us

 A "system" consists of (1) "Master" timer, clock, display, or controlling device and (1) or more "Secondary" timers, clocks, displays or devices, that stay synchronized to the "Master" and are connected either by wired or wireless means.