1.LED QTY:1,3,5,18,20,21,24,30,38,48,60LEDs 2.Beam Angle:15/30/45/60/120 degree 3.Diameter:Dia 50mm 4.Color:WW/CW/R/Y/B/G 5.WW-WARM WHITE;CW-COLD WHITE 6.Life Span:20,000 hours Application:Department store;Hotel;Jewel shop;Wristwatch shop Gallery;Night club;Show window;Cabinet Advantage:Long Life;High reliability;Environment protection;Low dissipationpower;Low heat;Low cost