These 37W White Retro 4000 LED Recessed Downlights have a wide diameter of 165mm and cut out of 150mm making them a great options when replacing older downlights with a wide cutout. With a 40° beam angle and an IP54 rating, they are suitable for indoor and outdoor application. Multiple accessories available for adaption if/where required, including: Black Trim, and 20° and 70° Reflectors. Available in non-dimmable 3000K (4200lumens) 4000K (4500 lumens), however Dali dimmable is available upon request. Includes 50,000 hour lifespan and 5 year warranty.