... years warranty 4.CE pass constant current/voltage dimming led driver 12 volt 5 amp Features:1. Universal AC input / ... Class B,EN61000-4-2,3,4,5,6,8,11 GB17626.5 Level3ProtectionOver voltage ProtectionN/AOver Current ProtectionN/ ... customizing service(OEM,ODM)8.low consumtion ,long lifespanCertificationsWorkshop & Office Company building constant current/voltage dimming led driver 12 volt 5 ...