Eatons Crouse-Hinds UX LED exit signs are designed specifically for marking escape routes and exits in harsh and hazardous environments. The UX is NEMA 4X and IP66 rated, approved for temperatures from -30C to 50C and Class I, Division 2 certified. The housing is die cast aluminum with a vandal-proof shield. The LED source is field configurable for red or green output. The self-powered version comes standard with a nickel cadmium battery and self-diagnostics.