This 400W solar lamp has a strong lighting capacity, a wide coverage, suitable for courtyards, squares, construction sites and other large areas. Efficient charging during the day, lasting at night, intelligent induction design makes use more convenient. Whether it is daily lighting or emergency use, it can provide you with enough light to make the night no longer dark!400W solar lamps use clean energy, no external power supply, zero electricity costs, zero emissions. Waterproof and dust-proof design, adapt to a variety of outdoor environments, whether it is sunny or rainy, can work stably. Make your life greener while enjoying the convenience of efficient lighting!