1,Life >50000h 2,CE,ROHS,PSE,FCC certification approval 3,Cree chip LED 4,Warranty: 3 years 1.LED Color temperature have Warm white/Middle white/Cool white2.LED Panel light's Uniformity>95%3.It's Operating temperature is -20-50°C4.Life>50000H5.Luminous flus is under 2M.6.attached have external supply power 1set.7.CE,ROHS,PSE,FCC cetification approval.