Stand-alone lightbulb with rechargeable battery. *Modelled off the classic filament lightbulbs, this lightbulb is a stand-alone light source which does not need to be plugged into an electrical source at all. *Simply charge up the internal battery and you'll have a handy night light or table decoration without any strings attached, so its also completely portable! *Modelled off the classic, aesthetically pleasing filament lightbulbs.