High Efficiency Solar LightsSolar string lights have built-in tempered solar panels to ensure excellent charging performance in low light conditions. Moreover, the outdoor solar string lights have a light sensor, which can automatically control the lights to turn on at night and turn off at dawn (8-12 hours after fully charged).< /p> Perfectly Shatterproof & Waterproof LED BulbsOutdoor solar string lights with weatherproof technology + shatterproof plastic hanging LED bulbs. This light has an IP44 waterproof rating and the flexible cord is thicker than traditional cords. The solar panel has an IP65 waterproof rating, which can resist wind, snow, wind and sun, and is very suitable for outdoor use. 4 lighting modes The outdoor solar string lights are designed with four optional modes, namely fast flash, steady light, slow flash, pulsating light, 4 wonderful lighting modes are designed for you to soften different moods. (Before using the solar panel, please remove the protective film from the solar panel and set the switch to "ON" to expose the solar panel to the sun) Energy-saving LED string lights Solar PoweredThe LED string lights are 18 feet in total length. The power consumption of each LED bulb is only 0.6W, and the power consumption of LED bulbs is only 1/10 of that of tungsten lamps. The ultra-long lifespan of 30,000 hours reduces the maintenance costs when replacing bulbs frequently. Helps you save more electricity while providing you with comfortable lighting. WIDELY USED String lights do not require a plug, perfect decoration for bedrooms, living rooms and outdoor areas, such as roofs, patios, tents, porches, pergolas, markets, umbrellas, balconies.