A:AnswerThis lamp comes with a standard CFL bulb which is a warmer, yellowish light than LED. You can replace the bulb with an LED bulb if you need a brighter bluish light.
A:AnswerInstruction manuals are also available on the Studio Designs website. You can also just describe the part as long as you know the item number.
https://studiodesigns.com/catalog/studio-designs/desktop-lamps-for-drafting-tables/swing-arm-lamp-wbulb-blk/