... warranty 5.Long Life Span: >50,000 hours bridgelux 160w led street lighting: NameLED Street LightItem No.NS-YLKR160WDimension1003*296*142MMPower ... .95Power Efficiency>0.90Power40W*4System Power Consumption180wLED luminous efficiency>75%LED lamps and lanterns initial luminous flux>90LM/Wlamp's efficiency>90 ... ,factory road, uptown road,square, park, school, etc. bridgelux 160w led street lighting