... used as road landscape Cree Q5 LED, multi-functional LED street . Environment protection, Energy saving . Easy installation, Long life span . Free ... energy-saving mode per day,3 overcast and rainy daysCree Q5 LED, multi-functional LED street . Environment protection, Energy saving . Easy ... , ULWorking time4H +4H energy-saving mode per day,3 overcast and rainy days solar and wind hybrid system