The Ultima 20 Tens Unit Dual Channel W/Twenty Modes of Operation

The Ultima 20 tens unit dual channel W/twenty modes of operation. 8 manual and 12 preset modes with protective cover over the controls. Pulse width and pulse frequency are adjustable. Includes a pair of lead wires, carrying case, belt clip and user manual, 4-self adhesive pads and 2-alkaline AA batteries, black. 5 year limited warranty.