Unique air-convection heat sink with copper heat pipes, IP65 waterproof Tempered glass provides 93% light transmittance Corrosion-resistance finish ensures long service time LM80 approved SAMSUNG LED, 98.5% lumen maintenance @9,000 hours, 55 ambient temperature TUV, CE, UL, SAA listed MEANWELL driver, optional DALI / 0-10V / PWM dimming solutions L70 @100,000 hours working life, 5 years warranty ...