Can I leave this outside?

Yes. We designed this string lights to be used both for indoor and outdoor. They are water resistant and can withstand splashes, but please don’t give them a bath. J

How far apart are the bulbs from each other?

They’re 1ft / 12 inches apart

Can these work wirelessly?

This model of string lights doesn’t have an internal battery and is meant to be plugged to a 110V outlet.

What are its dimensions?

String Length = 25ft (7.6m)