With bright 28W Daylight™ light, the unique 17.5 cm/7" XR™ lens and the new Free-Motion head-joint™, the Daylight U22080 combines the latest innovations in lighting design. These new features make your lamp extremely easy to operate and reliable. The Daylight energy saving tube ensures that you have plenty of comfortable daylight light to work with. Our XR technology™ makes the lens 50% lighter, extra resistant and easy to clean. And the new head-joint guarantees you precise and smooth positioning of your lamp without constantly having to tighten the wing-nut. The lamp includes an electronic ballast so you can work longer in comfortable light and it has our Quick Lens Swap System™ so you can increase the magnification in seconds without any tools.