led dimmer driver 1.CE,FCC,ROHs Certification 2.Apply for led lights 3.Reliable and low-nose,3 ... .E M C standardsAccording with GB9254, EN55022 class A EN61347-2-13:2008 standars .environmentalWorking temperature- - 20 ° ~ 60 ° c / 20% ~ 90% RH ... method Natural cooling air convection weight 0.56KG/PCSService &Garantee:2.Customized service available3.Special discount if substantial order is placed ...