... ,20000Hrs; 4- Power: 1*14W,2*14W,1*28W,2*28W T5 Fluorescent FixtureNo flicker, quiet, low watt start up, ... Optional), strong interference resistance4) Energy saving electronic ballast, long life span, changeable ballast, low operation temperature, safe and high effect, ... high efficiency ballast and tube, special tube protection, strong safety performance5) ...