1.led driver 650mA (2-3)*3W 2.Input:AC90-265V,Output:12-33V, 3. OVP,OCP,SCP 4.2 years warranty ,OEM/ODM accepted high ... external class,drive 2-3 pieces 3W high power LED lamp bead application describtion: 1, suitable for other external class, 2,have the OVP ... ,OCP,SCP protect function 3,high stability,drive stable ...