Efficient Solar Dragonfly String Lights: The factory equipped a sophisticated 180 degree adjustable monocrystalline silicon solar panel together with the built-in 800mAh rechargeable battery. When the built-in NiMH battery saves enough solar energy during the day, the string lights can automatically work for 8-10 hours at night. It can save electricity and money. 8 Light Modes & Memory Function: Press the mode button on the solar panel and select 8 different light modes which include Wave, Combination, Sequential, Gradual, Flash, Slow Fade, Twinkle and Steady Flash. The outdoor garden solar string light's built-in memory chip will save your last mode setting, so there is no need to repeat settings. AUTO ON/OFF & ENERGY SAVING LIGHTS: Cute and realistic dragonfly shaped string lights charged by solar energy, no electric cost and no need to replace the battery. Solar panel with the light sensor control function, which can make the twinkling lights automatically turn on at night and automatically turn off in the day. fix it or place it anywhere as you need. Please press the on/off switch to on before using it and make sure the solar panel is in a sunny place to get more sunshine. LED) have IP65 waterproof function, suitable for yard, lawn, tent, porch, tree, garden, table, patio, barbecue, umbrella, fence, pergola, bistro, restaurant, hotel, commercial building, shopping mall, dinner party, birthday party, Christmas. , New Year party decor.