It comes with a battery box, you could replace the CR2032 battery.
Brand
Olafus
Color
Blue
Copper Wire Length
7ft/ 2m
LED Quantity
20
Waterproof
IP68
Power Source
Battery Powered
Battery Type
CR2032 Battery (Included)
Occasion
Christmas, Wedding, Decoration
Package Contents
16 x 7ft/ 2m Fairy Light
How do you replace the battery?
If one copper string light goes out, do they all go out?
No, if one light goes out, it will not affect other lights
Does it waterproof?
Yes, it is IP68 waterproof.
Can these be connected together or does each string need to be turned on individually?
Each string needs to be turned on individually.