They're light, well built, and hold up well at almost any angle. The clamps have a small foam pad that is comfortable to the touch. The brightness level is saved on power cycle, but not on power cycle. They are delivered without a power supply. The back of the LCD says 5V/2A, I would recommend 2.1A or more just to be on the safe side. They glow on 500mA chargers. Ideal for simple 3-point close-up lighting.
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