Bright enough for general use and installation work, suitable size so it can easily fit in e.g. a pocket notebook's protective bag with pens.
A handy and suitably sized luminaire. Slightly bigger than a pencil light, but convenient and handy so-called. flashlight. Holds well in place in an open chest pocket with a sturdy clip. Lighting effect surprisingly good and hard. 4 different lighting intensities, and the brightest is really bright. The dark room is able to illuminate very well.
Valid lamp with AA batteries. Tapping the circuit breaker to two different depths (on / off & dimming) may not be the best solution with winter gloves, but it does matter.