Designers have applied the latest innovations in lighting design into the Daylight Ultraslim XR Magnifying Lamp. With a bright 28w bulb, the unique 17.5cm XR lens and new free-motion head-joint, makes this extremely easy to operate and reliable. The XR technology makes the lens 50% lighter, extra resistant and easy to clean. The new head-joint guarantees precise and smooth positioning without constantly having to tighten the wing-nut. The lamp includes an electronic ballastallowing for longer working times and more comfortable light and its Quick Lens Swap System increases magnification in seconds without any tools.