1.rated power input:1500watt 2.no load speed:4500 3.with CE,emc,GS,UL certificate. 1.Variable speed2.Reverse switch3.Chuck exchangeable 4.More powerful, more durable5.The handle with rubber skin, long time working without worncodehp-c1700 voltage230V/50HZrated power input1500wno load speed4500rpmdia of blade185mmcutting depth64mm at 90°spindle diameter43 at 45° Circular Saw With Laser Hp-c1700