Chassis control no-stop gearshift can set different speed. Product Name:Jig Saw Product Model:R7551 Product Model..............M1Q-FG-55 Cutting Capacity...........Steel:6mm ...........................Wood:55mm No-Load Speed..............0-3200/min Rated Input Power..........500W Rated Voltage..............110-240V Rated Frequency............50/60Hz PCS/CTN....................10 Measurement................40*26.5*40cm G.W./N.W...................1.5/1.3kg