street lamp solar system system voltage:DC12V/24V Wind resistance:50m/s Adaptive lighting:low pressure sodiun lamp. HFED, LED lamp etc. Working hour per day:6-12H( Can be designed according to the requirments) The days of Continuous wet weather:5-8D ( Can be designed according to the requirment) Luminous flux amount:8000Lm-14000Lm Luminous efficacy:60lm/W-159Lm/w Lumination:12-26Lux( Can be designed according to the requirement)