From Greeled Electronic Ltd 1W 3W High power led module http://www.gree-leds.com/productshow.asp?ArticleID=PR579PS1Q7 Model No.: GEMO1W 1. Emitting Color: Pure white 2. Voltage : DC 12V 3 .Dimension : 43mm*36mm*15mm 4. Power: 1W 5.PCB: Aluminum board 6. 3M tape or Screw installation 7. Connecting 18Pcs/ strand 8. View angle:56*12° 9. Using as Backlight for ligting box Model No.: GEMO3W 1. Emitting Color: Pure white 2. Voltage : DC 12V 3 .Dimension : 43mm*36mm*15mm 4. Power: 3W 5. PCB:Aluminum Board 6. 3M tape or Screw installation 7. 18Pcs/ strand 8. View angle:56*12° 9. Using as Backlight for ligting box