These Vevor emergency lights provide reliable backup illumination for businesses and homes during power outages. Each fixture supports AC 120-277V input and automatically switches to battery power for at least 90 minutes of emergency runtime. The dual adjustable light heads help direct light toward exits, hallways, stairwells, and other critical areas. With 24 LEDs producing 230 lumens and a flame-retardant housing, these fixtures are built for dependable emergency lighting performance.