... output power Wide voltage range,90-260v Energy-saving,Timing Dimmable No MOQ,Work quiet US/HK/China patents Product name400W ... Dimmable Ballast for Hydroponic grow lightXLDS Characteristics1, Size: 186*93*59 ... the lamp life-span Light weight, small size, easy establish, absolute quiet, 3 years warranty period 400W Dimmable Ballast for Hydroponic grow ...