-Rechargeable light bulb works as normal LED bulb and can auto self-charging when daily use. When home power failure, the DC lighting works and stays light up with no electricity when fixture switch is on. Emergency light bulb builts in 1200mAh battery backup can lasts for 4-5 hours.

-A necessity emergency lights supplies for home power failure. Replace your current bulb in any room, storage, basement, hallway, barn etc.

-The base of rechargeable emergency light bulb is E27,also applies to E26.Fits for any ceiling fixtures or lamps with the E27/E26 screw-in base.Just screw the rechargeable led light bulb into the base and done.

-Technical specifications:

·Voltage: AC110~265V 

·Battery: 1200mAh 

·Emergency time: 4hours 

·Discharge time: 3~5hours

·Color temperature: 2700~6500K

·Material: Plastic