Tempus Exit Box 3 Hour Emergency Maintained Complete With Up LegendThe Tempus Emergency Exit Box is a robust and reliable solution for clearly marking escape routes in commercial, industrial, and public buildings. Designed for wall surface mounting directly above doorways, this maintained emergency exit sign provides high visibility with an upward arrow legend to guide occupants safely during an emergency. Built with a durable steel mounting plate and a polycarbonate frame, this illuminated exit box features a 3 hour