Features led light strings・ no utility energy costs Energy saving LED string lights・ high energy conservation rate Lighting sensor technology the string lights will light up automatically at dusk and automatically turns off at dawn Specifications LED color : Warm white Setting : Indoor / Outdoor LED quantity : 20 LED Battery type :3 X AA or Power plug : 220 V Light source : LED Switch : ON / OFF Working mode : Flash / Steady on Charging time : 6 - 8h Light length : 2M Note : This string light we have Battery box type and Power plug type ・ you could make a choice which one you like . Warm Tips 1. If the ground is too hard ・ try to soften the ground with water before you set up the solar panel 2. It is suggested for the solar panel to be fully charged for 8hrs at the first use 3. Set up the solar panel at where there is enough sunshine with adjustable solar panel for direct sunlight 4. Turn the light on and set light mode before charging the solar power・ so it will light up at dusk