Safe and Energy-efficient】Our garden string lights has 54(50+4 spare) G40 bulbs with E12 base and extends about 50 ft. Length from plug to 1st bulb: 24in(60cm) ,distance of the bulb: 12 in(30cm). 【End to End Design】The G40 patio string lights is designed with end-to-end connections, so you can attach up to 2 strands to cover large areas.Even with broken or removed bulbs, remaining bulbs will continue to light up.