Model: MHX15 60W Clip-on series by Green Element.
3 watts x 20 LED - 12 pcs 10000k daylight, 8x actinic blue 460nm.
Size: 370 x 221 x 31 mm
This LED is very bright and low power consumption. Only use for 1 week only as its too big for my nano tank.
More info from local supplier: http://www.aquaticquotient.com/forum/showthread.php/100618-MHX-LED-(replace-Metal-Halide-Lamp)-SUPER-BRIGHT!
Price: $150. Can test first.