Rechargeable emergency light bulbs with battery backup, working as normal bulbs, and can charge itself when daily use, be preparded for emergency, TFOI rechargeable battery bulb has 3 duration options, 2-3 hours/7-8 hours/14+ hours.

• When connected to the mains, 6-8 hours fully charged, 100%/50%/10% Brightness is adjustable, use different brightness in different places.10% for bedroom, 50% for bathroom, 100% for living room, You can replace your current bulb in any room, storage, basement, hallway, barn etc.
• Rechargeable light bulbs are a necessity for household during blackout, storm, hurricane. With this light bulb, you don