1.45W, 20W, 15W, 9W, 26W, 20W. 2.3U, 2U, spiral type 3.Life span is as long as 8 times of incandescent lamp, save more money. 4.Applications: office, school, hotel, shopping mall, home, restaurant… 5. CE, ISO9001: 2000, SAA, QEC, EMC, CCC