Manufactured by Brindley & Smith Instruments, this compact and portable electrotherapy system includes several electrotherapy treatment modes ... 2 and 4 pole interferential at 4kHz or 2 kHz with adjustable beat frequency and sweep range, Faradic mode ( dual channel ), Differential Faradic mode, and Galvanic mode. The unit is battery powered.

The unit is supplied with the following, all held in a convenient carrying case ( size of case may vary from that shown in the picture ) : 2 x 2-pole leads, 4 x rubber electrodes and sponges, 2 x velcro straps, batteries, instruction manual.