13" Standard PoE Clock at a Glance: Flexible connectivity harnesses cost effectiveness of Power over Ethernet infrastructure Microsoft Windows based synchronization software offers auto device discovery & the flexibility of universal or individual device time source/ zone selection (sold separately) Automatic calibration for maintenance-free operation Automatically resets for Daylight Savings Time Low profile, ABS frame with non-glare shatterproof polycarbonate lens for easy viewing & durability Includes anti-theft wall bracket for secure wall mounting. Flexible mounting options, including dual clock wall & ceiling brackets for enhanced viewing in long hallways & large open spaces Wire & weather guards available Made in USA 4 day build prior to ship