The item shown is a Rechargeable LED Emergency Light Bulb, often used as a standard light bulb while charging and functioning as a backup light during power outages.
Emergency Operation: Provides light for approximately 3 to 5 hours during a power failure.
Charging Technology: Recharges while installed in a standard light fixture when the electricity is on.
Unique Feature: Can be activated by touch or by using a dedicated hook to hang it as a lantern.
Specifications: Typically features built-in lithium batteries (e.g., 2*1200mAh) and fits standard sockets like E27 or B22.