Internal 3.7V 1800mAh battery with an automatic transfer switch that connects the battery to the LED board and lamp heads, delivering emergency illumination for more than 100 minutes. Two large square LED heads provide lumen output with full 360degree rotation each, offering glare illumination and broad coverage when needed. Commercial grade construction with materials including VO flame retardant and impact thermoplastic, designed for durability and safety in various environments. Suitable for emergency lighting in a range of settings, including schools, hotels, offices, supermarkets, restaurants, libraries, homes and factories. Use scenarios During a power outage in a classroom or school environment. In hotel corridors or lobbies during an outage. In supermarket aisles or dining areas when standard lighting fails.