Emergency power and long lifespan: wide voltage AC 85-277V, 110V and 277v all can be used, Hardwired Emergency light fixture provides 180 minutes of emergency operation during a power outage. High-output battery, 110-277V for both residential and commercial emergency application. The test button used in this emergency light has undergone 1000 tests to ensure that the emergency light can automatically light up during power failure, and the test button will not fail after the power comes back
EASY INSTALLATION: 2 head Emergency LED Lights Can be wall or ceiling mounted, Nomall J-box mounting pattern. Test switch and status indicator let you know the fire emergency lights has power and the battery is working. this power outage emergency light must be wired
Commercial Wide Application: This emergency exit sign lightiing has a safe operation and complies with United States fire inspection and International Fire Code. Use Emergency Sign with Light for indoor applications like Stairs, corridors, stairwells, schools, hospitals, offices, warehouses, parking lots, building periphery and office buildings, stairways, hallways, doorways, isles, restaurant