Their battery operation indicates they aren’t impacted by blackouts, so that you can believe in your hallways and stairwells to stay illuminated and aid a peaceful, orderly evacuation.
versatility in decision of https://patch.com/north-carolina/raleigh/classifieds/gigs-services/467764/safeguarding-lives-and-property-all-american-fire-protections-quarter-century-of-excellence