... MOQ,Work quiet Product nameHPS/MH Electronic 600W Ballast with switch XLDS Characteristics1, Size: 260*103*59 mm2, Weight: 1.8 ... life-span7, Light weight, small size, easy establish, absolute quiet, 3 years warranty periodProduction & Packing 1, Sample lead time: 5-7 ... Street Lamps, Public Lighting HPS/MH Electronic 600W Ballast with switch