The outdoor solar post cap light,it is easy to intall ,so you don't need use any tool.It is fits for  4x4 5x5 6x6 wooden posts in garden decor.100% solar powered,so it saves energy.Automatic switch design,which can automatically charge during the day and illuminate at night.1000mAh battery capacity,it can stay lit all night after fully charged.In addition, IP65 waterproof,so it is a good choice to decorate your outdoor space.