... -in test 3. 2 years warranty 4.CE pass constant current/voltage dimming led driver 12 volt 5 amp Features:1. Universal ... ,3,4,5,6,8,11 GB17626.5 Level3ProtectionOver voltage ProtectionN/AOver Current ProtectionN/AOver load Protection>105%-150% hiccup mode,Auto ... ,ODM)8.low consumtion ,long lifespanCertificationsWorkshop & Office Company building constant current/voltage dimming led driver 12 volt 5 amp