Miniature candle bulb 8V, 12V, 14V, 15V, 16V, 23V, 34V or 55V 3W
for indoor and outdoor use
E10 thread
Color: Ivory
Clear glass body
Diameter: 11 mm
Total length: 65 mm

Which bulb do I need for which string lights:
8V for 30-light string
12V for 20-light string
14V for 16-light string
16V for 15-light string
18V for 13-light string
23V for 10-light string
34V for 7-light string
46V for 5-light string
55V for 4-light string