... ) Lifespan: 50, 000+ 3) PF(power factor) > 0.95 4) 3 Years Warranty Specification LED Type 600*600 led panel ... humidity <90 LED pcs648pcs SMD3528Luminous Decrease6000h<5%ColorsWW, SW, CW Working Temperature°C -25~45 Lifespan50,000 hours Color TemperatureWarm ... white: 2,700-3,300KCertificationCE & RoHSSun white: 3,800-4,800KMaterialsPMMA Aluminum alloy Cool white: 5,500-6,500KWarranty3 YearsColor ...