SATURN 125w Dual Spectrum Light?

I was browsing on ebay on a hydro kit and I ran across this one kit that came with this 125W light that soppositly has two sprectrums of Blue and Red, like HPS and MH. Heres the exact specs...

Quote:

---

GROW LIGHT: Our amazing new SATURN 125w Dual Spectrum EzHydroLite
- 50% true 6500k or "blue" spectrum (like MH). Ideal for vegetative.
- 50% true 2700k "red" (like HPS). Ideal for flowering.
- 8000+ lumens
- Includes U.L. listed top quality mogul socket with 12 foot heavy duty cord, and highly polished aluminum batwing reflector with hanging hardware.

---

Heres the Image for it
http://www.ezhydrokit.com/images/ebay/50-50-saturn.jpg

How effective is this light? I know its a fluoro, im just wondering on how potent it can be.

It's a good beginner's light, until you can save up for a HID.