PowerPlant 400w Hobby Kit, Eazi Rolls With PowerPlant Lamp All in one box, just plug in and grow! Reflector and 400w Ballast, PowerPlant 400w HPS Lamp and Eazi Roll hangers. The Hobby is a complete horticultural lighting system, all in one box, just plug in and grow. Each system comes with a PowerPlant Daylite Ballast, a high quality horticultural reflector, a pack of 2 Eazi Rolls to allow for height adjustment, hanging hooks and PowerPlant HPS lamp. Ready to use.