1, small size, can fill in E27 or GU10 fitting. 2,no stroboflash 3,CE & ROHS 4,Dimmable driver can be made. INPUT: AC 85~265VOUTPUT:3~11V @ 350mA, @ 700mAEFFICIENCY:65%PF:60%SIZE(L*W*H):25*17*13mmAPPLICATIONS:GU10, E27,E14 base spot lights, drive 1pcs of 1W power led, 1pcs of 3W power led or 3pcs of 1W led