The Phoebe LED Atlanta dimmable is an energy efficient, mains operated integrated slimline integrated LED downlight that is suitable for recess or surface mounting with an adjustable bracket - making it ideal for retrofitting existing installations from 2.5\" up to 4\" in diameter.Perfect for replacing inefficient downlights in corridors, stairwells and storerooms, this LED downlight produces 460 total lumens in 120 beam angle and generates a cool white colour (4000K).Constructed from tough corrosion resistant thermal plastic, it has a robust and quality feel whilst also having a sleek, modern, stylish design that features an opal diffuser lens to reduce glare. Atlanta in smaller version has a 30,000 hour rated life and uses just 6.5W of power it offers an excellent long term cost and energy savings.IP20 rating - for Indoor lighting use only. Opal diffuser. Dimmable. Robust corrosion resistant build. 25cm cable pre-wired.Please visit the manufacturer\'s website for up-to-date dimmer switch compatibility lists for this Phoebe LED Downlight Indoor Lighting before purchase.To find the answers to some common questions about LED dimming, please read our guide Dimming for Dummies.