Capacity: Z1T-KY-50:1/2"-2" Z1T-KY-60:1/2"-1 1/4" Motor: Concatenated 1800w,110-120v~60hz. (1800w, 220-230v~50hz). Switch: Heavy-load switch,complete with safety lock,cut-off and normal-reverse switches. Reduction gearbox: Box body cast with aluminum alloy, ever-lasting lubricating. Body: Plastic shell and handle hardened by durable heavy-load fiberglass.