8-Piece 2 ft. x 4 ft. LED Panel Lights, 7800 Lumens, 5000K Daylight White Color,0-Volt to 10-Volt Dimmable, ETL Listed 2 ft. x 4 ft. LED Light Fixture, 120-Volt to 277-Volt 2 ft. x 4 ft. LED Drop Ceiling Light Fixture, ETL Listed LED Panel Light 2 ft. x 4 ft. Good Quality and ETL Listed 2 ft. x 4 ft. LED panel light with a color temperature of 5000K and a lumen of 7800 Lumen, powerful and efficient light-smoothing optics provide superior light and energy year after year. The panel illuminates immediately and there is no flicker, hum or black dot throughout the life of the luminaire. Our panel lights have ETL Listed certification. our size of 23.75 in. x 47.75 in. panel light features a recessed edge-lit design, ETL Listed for safe and reliable operation. We offer a 2-year warranty. Material: Aluminum.