3 watts sounds wayyy too low...I thought it was more like 35-40 watts?
HIDs tend to be 35W as a rule. There are some 55W HID's, but I'm pretty sure the O'reilly/Checker/Kragen/HIDx lights you're speaking of are 35W.
Are they really that good? Or "good enough?" I've seen on some of the Toyota forums that they break with serious use.
Maybe I'm wrong. I'm not into this "electrical" stuff...
I thought since these were HID's drew less vs. Halogen lights, Hella 500 or KC Dayligters for example.
Side by side when I put these on, The HID's gave off way better light hands down. I have been pretty rough on theses and cranked them down pretty hard. They still are doing great.