1,100W (5.8VAC) Power Unit with 23 Unique Output Settings, Lighted Rocker, 10 AMP Circuit Protection & Heavy-duty aluminum case, 220V. Durable, User-friendly handpiece with four foot (1.22m) 10 AWG High strand DLO Cable. Standard lead with spring clip. Copper clad, carbon electrodes, 1/4" (6.35mm)Dia., 3" Length. Rugged, industrial Footswitch with 6 foot (1.83m), three-wire cord and NEMA 5-15 P/R piggyback plug.