SATCO|NUVO's LED A21 battery backup lamps are the ideal lighting solution for residential or commercial applications. Available in 8-watts and either 3000K or 5000K, these lamps provide bright, energy-efficient illumination with a wide 220-degree beam spread. Rated for 15,000 hours of use, these lamps are long-lasting, and their built-in battery backup switch ensures that your lighting stays on even during power outages.