From seeding to flowering, ipower grow light has your plant covered with all the light it will ever need. hid provides the most lumen per dollar, which means the most yields for your investment. this kit eliminates the need for mixing incandescent with fluorescent or additional leds that provide little gains at 2 to 3 times the cost. the balanced spectrum set of lights will not only be well-absorbed by plant chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. package includes: one 1000-watt dimmable electronic ballast, one 1000-watt super hps bulb, 6-Inch cool tube with add-on wings, 1 pair of rope ratchets. details: electronic dimmable digital ballast. 120/240 volt supported. automatic convertible hps and mh bulbs. adjustable power settings 50-Percent, 75-Percent and 100-Percent. standard hydroponic-Inch s-Inch plug. one heavy duty power cord. open and short circuit protection. ignition failure protection. end-of-bulb-life protection. super h.