1.Designed for greenhouse 2.230v 600w 3.Completely silent 4.Approval: CE, GS, TUV, EMC, ROSH,UL The up and down structur can maximize the utilize of sunshine, reduce the shadow area. Notice:This is our patented product, violators will be prosecuted to the full extent of the law. Features1.Run for HPS lamps2.High power factor:PF≥0.983.Low harmonic:General harmonic THD≤10%4.High light efficiency5. ...