1.rated power input :500watt 2.no load speed :500-3000rp 3.CE,emc,GS,UL certificate. Features:1.Variable speed2.Reverse switch3.Chuck exchangeable 4.More powerful, more durable5.The handle with rubber skin, long time working without worncodehp-j750 voltage230V/50HZrated power input750wno load speed700-3000rpm Jig Saw hp-j750