SOLARMKS Solar Lights Outdoor String Lights 8 Mode 77ft 220 LED Fairy Lights with USB Charging Outdoor Decorative Lighting for Outdoor Chrsitmas(Blue,2 of Pack) HIGH-CONFIGURED SOLAR STRING LIGHTS - 5.5 V large solar panel make the battery charge faster and more fully; 3.7V 18650 li-ion battery which makes the LED brighter ; 2200 mAh large capacity battery which keep lighting more than 12 hours at night if the solar panel absorbs enough sunshine during the day 2 SWITCH & 8 DIFFERENT MODES: This Multi color outdoor string lights has two switches, one is power ON/OFF , the other is mode button, by press the button of mode, solar string lights will change to Combination, Waves, Sequential, Slo-Glo, Chasing/Flash, Slow fade, Twinkle/Flash, Steady on modes 77 FT/23.5M & 220 LED OUTDOOR STRING LIGHTS: Strand of 77 ft long is perfect for wrapping around the tree or wherever you like. Durable strings are made of extra thick and conductive copper core; Those 220 LED of string lights are super bright in the dark and have over 50000 hours life span; Automatically lights up in a dark environment DUAL POWER SUPPLY MODES : a. Connect with micro USB port, you can charge the string lights on a terrible weather day such as foggy and snowstorm; b: Directly charged by the sunlight.(Charge with the USB port before first time using is recommended) EASY TO INSTALL, OPERATE & WIDELY USED: The solar panel easily install by two ways, one is to plug into earth with the solid stake of solar string lights, the other is to mount to a wall using the expansion bolts. In addition, with IP55 level of waterproof , so this outdoor string lights is a good ideal for decorating your gardens, patio, lawn, porch, gate, yard, outdoor etc.