The NEBO NEB-ARE-0003 Blackout Backup Emergency Bulb is the perfect addition to your home or workplace. Boasting an impressive A70 (equivalent to standard A21) size bulb with a rechargeable internal battery and a gentle soft white (3000K) color temp, this bulb will give you up to 12 hours of light on one charge. With four light modes including a fixture high, a backup high, a medium, and a low, you can adjust the brightness to any situation or environment. Plus, this bulb can be used either outdoors or indoors, wherever you need it. Enjoy peace of mind with its 1-year manufacturer's limited warranty.