Very good!
Extremely handy (not easy)
Good case (a clip for the manual would be perfect yet)
Feels very valuable ...
Have directly tested the following times
M8 screw drilled with 2 and 4 mm drill
Chased 8-drill without drilling into the wood
6x70er screw screwed into the wood without pre-drilling
I do not know what wood that is but I could screw in pre-drilled hole, by hand not completely screw and even that has cost a relatively long time and a lot of strength.
The cordless drill has managed without any problems.
I had concerns about the drilling because drills and bits in the hexagonal shank a game have (eggs rum idle). It is, however, not noted during drilling / screws. The holes for my eyes have seen from circular and straight when drilling out the screw at the latest one would noticed what (not vorgekörnt). Could be important for some ...
For LED:
It might have been the better solve, but it ranges from the afterglow and tears the little mistake in my opinion, out of there. I just tried it in low light conditions in a cabinet. I've been using the LED found the screw easily and could start immediately. Although the screw head is not in the direct beam of light, but the LED is so bright that you should find any screw fast.
That was first, a long-term report follows ...