Yescom T5 4ft Grow Light 2x 6500K HO 48" Fluorescent Tubes Indoor Hydroponics Fixture Veg Plant Growing Lamp 2x 6,500K 4ft T5 HO Fluorescent Tubes HO ballast with IC chip, power factor up to 99% Lighting more concentrated and precise to reap quickly 8,700 Lux Higher lumen, 15,000 Hrs longer lifetime and steadier than T8 light UL listed Socket and 5ft long power cord(with US standard plug)