... High quality 4ft 18W T5 led tube light 1.CE/ROHS/UL, 2.no light decay, low power 3 ... 20W,36W and 40W traditional fluorescent tubes accordingly. LED tubes do not need ballast or starter. * ... No RF interference, Lead free.* Long lifetime - LED feature, reasonable driving, no effect from switch on/ ... , no trouble of replace parts of narmal fluorescent tube.* No flash, AC driving, stable light, protect eyes ...