"I purchased a few sets of these lights for my 4x4 truck. I wasn't planning on using them for a driving spotlight like they're "rated" to be, but as side and reverse lighting. If you're buying these for forward facing driving/spot lights, you'll be disappointed. Since I wasn't using them for this, I wasn't disappointed with the beam pattern.
I have four of these lights mounted behind the glass in my cap facing rearwards on my truck, they aid in backing up, attaching trailers, seeing what's behind you when 4-wheeling and blinding jerks that ride your bumper or high-beam you. I also have some facing rearward on my lightbar for when my cap is off, along with some facing the sides (think ally lights on police cruisers) so I have complete 360* lighting for when I'm off-roading.
These lights are PERFECT for the above uses, I'm actually planning on purchasing some more to use on my snowmobiles, ATVs and lawnmowers so I have better lighting.
I'm only rating this a 4/5 because of the deceptive "rating" of a "Driving Spotlight", which it is not."
What is your level of technical expertise? Professional