... 3W led driver (IP67,CE,ROHS ) size:25*25mm,current700ma+/-5% input voltage:110-250V output:4V,2.8W 2 years warranty 1*3W led ... driver(CE,ROHS,IP67)1.size:25*25mm 2.input voltage ... ripple, increase light efficiency and decrease light attenuationAssure LED stability long lift and light efficiency by constant ... years warrantyCertifications for CE(LVD + EMC) & ROHS ,IP67