... energy-saving effect,saving over 80% energy. 2.Tricolor tube,over 80LM/W of luminous efficiency. 3.High quality, 1.Distinct energy-saving effect,saving over 80% energy ... 8000 Hours.4.No working noise,soft light,No stroboflash and eye-protecting.5.170--240V AC of broad voltage working ... range design,low temperature rise of ballast in working.6.The diameters of lamp can match with flush light ...