... , patents 4)Safety Wind solar hybrid LED streetlight system can guarantee the lamp will work for 10 hours each day and ceaselessly work for 5 ... the lamp will work with full power in the first 5 hours, and work with half-power in the other 5 hours to ... , 2.5m/s cut-in wind speed, with high power efficiency, no noise, less vibration and balance structure, darrieus and savonieus design, classic appearance ...