What is the lifespan of the LEDs in the Bostitch Dimmable-Bar LED Desk Lamp?

The 5.5W LEDs last up to 50000 hours.

What are the brightness levels available for the Bostitch Dimmable-Bar LED Desk Lamp?

The lamp features a dimmer function with three brightness levels.

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Bostitch Dimmable-Bar LED Desk Lamp White VLED1813WH

Dimmable bar LED desk lamp will be a beautiful complement to any home or executive office suite
5.5W LEDs last up to 50000 hours and utilize 85% less energy than incandescent lamps
Features matte metal finish for a modern look and comes in white
Dimmer function with three brightness levels
Lamp head adjusts up to 180 degrees to achieve the perfect amount of lighting
Three adjustable color temperature modes for relaxing, reading, and tasks (3000K, 4000K, 6500K)
Full-spectrum lighting mimics natural daylight and reduces eyestrain
Flicker and glare-free light zone that is clear of shadows, halos, and troublesome glares
True-to-life color depiction