... , Long life span . Free of maintenance . Low voltage, safe and reliableApplications: Garden, public square, park, streetLED lamp (5 years warranty ... , Long life span . Free of maintenance . Low voltage, safe and reliableApplications: Garden, public square, park, streetLED lamp (5 years warranty ... ULWorking time4H +4H energy-saving mode per day,3 overcast and rainy days solar and wind hybrid system