... pass constant current/voltage dimming led driver 12 volt 5 amp Features:1. Universal AC input / Full range2. Protections: ... Class B,EN61000-4-2,3,4,5,6,8,11 GB17626.5 Level3ProtectionOver voltage ProtectionN/AOver Current ProtectionN ... Packaging: Export standard carton box7.provide customizing service(OEM,ODM)8.low consumtion ,long lifespanCertificationsWorkshop & Office Company building constant ...