Suitable: E27 or GU10 internal power supply. Size:2.8*1.6*1.8cm(L*W*H) 1*1w,5*1w,8*1w,12*1w,18*1w,25*1w,60*1w and so on 1*5w<350ma> inAC: 85AC-265v;Frequency:47-63HZOUT AC:8V-12VOUTPOUT CURRENT:350MA(<5%)Output power:3W;fficiency:76%;Power factor:0.55Size:2.8*1.6*1.8cm(L*W*H) Suitable: E27 or GU10 internal power supply.1*1w,5*1w,8*1w,12*1w,18*1w,25*1w,60*1w and so on led power driver