The 250w Lumatek Basic lighting kits feature a good basic reflector for growers on a budget or those with large scale lighting requirements, this unit comes complete with ballast and bulb and is suitable for 250 watt lamps . Lumatek digital ballasts are the most advanced lighting solution for modern horticulture. Small, compact, and completely silent these E-Ballasts are able to deliver more lumens while using less electricity than standard magnetic ballasts.