they aren't that direct, I have some singles in my cab. Those lights are not meant for driving lights they are more for lighting something up like KLC mentioned, toolbox, interior, etc.
If you are just looking for driving lights, look at these
And lumens is still a measure of visible light output. beam pattern/distribution is more based on the housing than the actual lightbulb or diode, but lumens is a pretty absolute measurement of brightness, wherever the light ends up going.