1)Led spot light are used for gallery,road and hotel. 2)high effciency and energy-saving. ... *3W,1*5W,1*7W, 3*1W, 5*1W, 7*1W, 3*3WLed source: Edison chip,from TaiwanLampholder: GU10,MR16,E27,E26 ... We can see the comparison bellow: 1W LED= 3W CFL ( Compact Fluorescent Light )= 15W filament lamp 3W LED= 8W CFL ( Compact Fluorescent Light )= 25W ...