... and reliable power supply, w Battery Operated Christmas Decoration Led Copper String Blue LightsFeatures: energy saving, soft, safe and reliable power ... colors: gold, silver line, blue, green Line, etc. Light Color: red, yellow, white, green, amber, pink, purple, warm white, blue, etc ... : 1yrWaterproof: YesBusiness type: Factory selling. Natural light control battery box of led copper string light