Battery Backup
Products with battery backup contain a battery so in the case of a power outage the lights or signs with stay illuminated for roughly 90 minutes.
NEMA Rated
NEMA Rated enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against the entry of water during prolonged submersion at a limited depth. NEMA 12 NEMA 12 enclosures are designed to prevent the ingress of dust, water, and oil.
Red Letter
New York City and Chicago require exit signs to have red letters
