Easy-to-install 2-by-2-foot LED panel. Soft, even lighting with no flicker. Dimmable with 0-to-10-volt dimming. Up to 4,000 lumens or more with just 40 watts of input. Color rendition index (CRI) of more than 80. Five-year warranty. Designed for 50,000-hour lifetime. 120-volt to 277-volt. Emergency power (>90 minutes) option is available.