Developed especially for the Electro Stimulation Connoisseur the ElectraStim SensaVox has stacks of features and un-rivaled finely controllable POWER!! This unit has two independently controllable outputs allowing you to use two bi-polar accessories at the same time or you can share with your partner. Built-in programs, Audio input features, 7-segment LED Displays, Digital Power Control, Boost Feature. Key features include: High Intensity "Truly Isolated" Dual Channel Output, Optimal Multi-Turn Digital Power Co