... ,Work quiet Product nameHPS/MH Electronic 600W Ballast with switch XLDS Characteristics1, Size: 260*103*59 mm2 ... weight, small size, easy establish, absolute quiet, 3 years warranty periodProduction & Packing 1, Sample lead time ... manual / bubble bag, 6 pcs / carton, filled with Foam; As per your requirementApplications Horticulture and Hydroponics Marketplace ... HPS/MH Electronic 600W Ballast with switch