Emergency power Builtin NiMH AA 3.6V 1000mAh backup battery provides a minimum of 90 minutes of emergency operation during a power outage and is safe for charging. Installation and maintenance Ready for wall or ceiling mounting with a universal Jbox mounting pattern for flexible installation. Adjustable lamp heads let you direct light in any desired direction. Suitable for indoor damp locations. Includes a test switch and status indicator for easy maintenance and manual initiation of monthly tests. Rechargeable battery keeps the unit ready for immediate emergency operation. Standards and construction US standard compliance: meets or exceeds UL 924, Emergency Lighting and Power Equipment C.22.2 No. 14115. Housing: injectionmolded, flameretardant, impact thermoplastic ABS. Wide voltage range: 120V277V AC universal voltage operation. This twin LED emergency combo light is designed for durability and reliable performance in a variety of settings. Applications Ideal for mounting above doorways in schools, restaurants, office buildings, and warehouses. Effective for use in hallways and entryways where clear egress lighting is required. Suitable for indoor damp locations where emergency lighting is needed. Use scenarios In a school hallway, install above classroom or exit doors to provide clear illumination during an outage. In a restaurant or office building, place above main entrances or corridors to guide occupants safely to exits. In a warehouse, mount at loading dock or near primary exit points to ensure visibility during power loss.