What is the benefit of a height adjustable lamp? The main benefit of height adjustable floor lamps is that you can raise and lower the bulb or bulbs. Increasing the height will spread the light over a wider area while lowering it will focus more of the illumination on a specific spot like an armchair or desk.
Track lighting is offered in a variety of sizes to accommodate multiple room sizes, ranging from single-track head light fixtures to multi-head track lights. Before choosing a track light system you like, be sure to properly measure your ceiling and fully understand the sizing dimensions of track lighting, as well as all of necessary parts and accessories you will need.
(This makes the under-cabinet lights look brighter than they actually are, but if I exposed for the actual lighting level, it would be hard to make out the vanity.) I installed a standard electrical receptacle in the wall just above and near the bottom of the cabinets, wired to a switch at the bathroom entry.