1. String lights usually use a lot of small led bulbs, S14/ST45 led bulb is the most for using on string lights. This ST45/S14 string light led bulb has two piece of 48mm length led filament, can reach 2W 180lm at 2700K, with E12/E14E17 lamp base, clear glass. Of course we can make glass globe with gold color. It is dimmable.
2. String light usually has a waterproof lamp socket, the socket has a soft plastic skirt, the soft plastic skirt will tightly cover all the lamp base when the S14/St45 string light led bulb is fixed into this socket, then the whole string light is waterproof.