How to charge the solar fairy lights panel? The solar string lights outdoor are not fully charged upon arrival. Please put them under the direct sun for 8 hours to get fully charged before first use. The outdoor solar christmas lights panel is charging only when the switch is "ON" position. How to check the string lights panel is ON? Leave the solar outdoor string lights panel in the sun for an hour and then cover the solar panel completely. If the lights come on, the button is in the "ON" position. If not, push in the button once again and put the outdoor solar fairy lights panel in the sun for another hour.Cover the Solar string lights outdoor waterproof panel completely again and it should light up. Waterproof Solar fairy lights outdoor both the copper wire and the solar panel are IP44 Waterproof.Solar string lights outdoor waterproof suitable for both indoor and outdoor usage without any worry of short circuit or weather damage！(Please avoid immersing the battery case in the water) Read more Adjustable Solar fairy lights Panel Shade or weather has a great influence on the run time of Solar fairy lights outdoor waterproof. The Outdoor solar string lights panel can be easily 90° adjusted. To maximise the run time of solar string lights, make sure that the solar fairy lights panel is charged direct sunshine. Using Tips Tear off the protective film from the solar panel before using. There is an on/off button behind the Solar Fairy String Lights panel. Please make sure the switch is on to get charged. Put solar string lights outdoor under the sun for 1 sunny days to get fully charged before first use. Working up to 8 hours after 8-12 hours fully charged. Safer to Use Solar fairy lights is lower than the safety voltage of human body and can be used safely. Solar string lights still stay cool to touch even after hours of illumination. Read more DIY Solar fairy lights outdoor waterproof sliver wire can be easily bended and shaped around plants,signs,furniture and almost everything else. Read more 8 Flashing Modes Press "Mode" switch to to choose the mode you want: Waves, Combination, Fading, Fireflies, Chasing, Twinkle, Fading slowly, and Steady-on. One is combination(the first mode), the other modes will flash cyclically; Other 7modes is fixed, you could press the button till the mode you like,so the solar fairy string lights will stay at the specified mode.