TimeTrax Sync™ PoE IP Network LED Digital Clocks 4-Digit Series Black. Silver. 3″ or 4″ digits.Highly visible time display for manufacturing, warehouses and expansive areas. Home / Store / Wall Clocks / Synchronized PoE IP Network / Digital / 4 Digit Enhance and Protect Enhance your wall clocks and protect your investment withclock wall brackets, ceiling brackets, clock guards,NEMA4 enclosures and more. View Accessories