ElectraStim is a unique and exciting form of erotic play that directly stimulates nerve endings using carefully produced electrical signals for a highly stimulating sensation. ElectraPads are a set of four self-adhesive conducting pads that can be re-used up to five times. ElectraPads measure 1.96" x 1.96".  The pads require a (stimulator)power box to work. The pads will work with any unit.