The lamp power shortage and the light beam is too narrow. Even with the habit, it is difficult to find a position that allows to read 2 pages without changing or without changing position for each half page. Quite fine and very lightweight, it does not hinder the reading, but the arm is a little short (about 11-12cm) and is difficult to locate. The clip is a bit narrow to attach well. Finally a clearly flawed product I do not recommend.
