After repeated attempts, it has been adjusted to the appropriate tightness and will not easily fall off. It can provide more flexible lighting and the lamp has a larger illumination area. You can direct the light towards where you need it most. The foldable lamp head saves space, and you can carry it with you for studying and working at any time, in your dormitory, office, or other places. Ivy Bronx | Ivy Bronx Modern LED Desk Lamp Metal in Black | 17" H X 6.1" W X 6.1" D | Wayfair