BioLite SiteLight Overhead String Lights Efficiently light up your camping site with up to four lights daisy-chained for a 40 feet reach (2 lights included) Power with any USB charger using included adapter or attach to PowerLight or BaseLantern for added dimming functionality (sold separately) Focus light where you need it with lighting angle controls and easily set lighting brightness with dimming options Bright lights: 300 lumens total output (150 lumens per light) Quick and easy set up: Just pull apart and plug in; Lightweight at 3.5 ounces