Average Reviews:
(More customer reviews)I let computer turn light on and off so less wear and tear on likely cheap power switch. No batteries in unit yet and I suspect that it doesn't intelligently switch between batteries and USB cable. I have it aimed at white wall behind desk so it essentially brightens up a dark corner; dark when power-hungry fluorescent ceiling lights are off, but nowhere near the light output of the fluorescents. Can easily write phone messages. I understand that blue hue to the white light indicates cheap / low quality LEDs, but doesn't bother me. Quarter inch gooseneck, roughly eight inches long, is probably fragile. So I question how long it would last if unit was regularly carried around in backpack, for example. You can easily handle the head with it's 14 LEDs, even after unit has been on all day. LEDs convert energy mostly to light, not heat. If you're in a dormitory situation, this unit may be a good, late-night compromise for getting a few things done while roommate sleeps, although not bright enough if you've got a lot of book reading to do, IMO.
Also, it seemed to be only unit that accommodates multiple power sources without taking up a possibly scarce traditional power plug slot; USB 2 power a good idea. I gave it five stars for that reason and because at seven dollars (sale price) it was cheaper than most LED bulbs that are screw-in replacements for incandescent lights; arguably disposable. But will see how long it lasts. Hopefully for years.
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