Introducing the newest addition to the LUMii ballast family, our new generation super slim ballast is fan cooled and very cool running. Weighing in at JUST 1.6KG, this ultra lightweight, electronic ballast is designed and tested in the UK. The LUMii Slim is a 600w ballast, with a 15% extra boost setting, and also dimmable to 400w. The wall mounted bracket included leaves a thin air gap between ballast and bracket allowing for any condensation and moisture to pass through, also included is a 2m power lead. Within just five minutes of the ballast being ignited, your lamp will reach its full light spectrum – and subsequently will not ignite a lamp with abnormal input or output! Compact, lightweight and full of power Ballast can be stacked on with each other Touch pad controlled IEC socket Wall mounted bracket included About LUMII LUMii® is a British designed range of quality lighting products for growing plants. LUMii provides you with all you need, no matter what growing technique you use. Included in the LUMii® isi range are reflectors, ballasts, CFL lamps, SunBlaster ‘increased blue’ HPS lamps and a wide range of accessories, ranging from extension leads and CFL to HPS converter kits, to fantastic growroom lenses, which make a sodium lit growroom appear to be in natural daylight!