The aluminum retrofit LED panel offers the easiest and most practical solution to your existing lighting needs. For style and convenience, the removable outer trim attaches with magnetic fasteners to create a seamless look. Can be easily retrofitted in existing 4" canisters or standard octagonal junction boxes.KEY FEATURES:- Size: 4"- Watts: 9 W- Delivered lumens: 550 lm- LED lumens: 630 lm- CRI: 90- Color °T: 3000 K- Voltage: 120 VSPECIFICATIONS:- Fits on octagonal junction boxes - Includes A-19 socket - Fits into 4" recessed housings - Minimal heat emission - Aluminum construction - Over 50,000 hours of service life - Magnetic trim finish - Energy Star certified