Smart emergency light bulb with 9W E27 LEDs

-the LED bulb can be used as an economical bulb, suitable for lamps, voiozes, sconces with an E27 socket

-if there is a power cut, it automatically switches to the battery and lights up

-if there is a power failure, you can remove it from the lamp and use it as an emergency lamp

-the bulb must be held in the palm, with the base well covered, by a firm grip, otherwise it will not light up

-then you can mount it again in the lamp/light, while it charges for a new use in case of emergency.