suitable 10pcs 1w LED spotlight. 1*1w,3*1w,5*1w,8*1w,9*1w,12*1w,18*1w,25*1w,60*1w and so on 18*1w Frequency:47-63HZOUT AC:30v-36VOUTPUT CURRENT:360ma(<5%)Output power:18W;fficiency:85%;Size:17.3*1.8*1.1cm suitable 10pcs 1w LED spotlight.1*1w,5*1w,8*1w,12*1w,18*1w,25*1w,60*1w and so on led power driver