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. The Triple Dome Probe from ElectraStim's ElectraProbe Gold line has three contacts/cables instead of the usual two so as to allow for different connection permutations. Swap the connections around and spend hours discovering the pleasures of the 3.9" x .98" Triple Dome Probe. Adventure Pack required for dildo to function.