The easy-to-read LCD screen on the digital power control unit clearly displays the function and intensity level and with 3 pre-programmed pulsation patterns to choose from this attractive control unit sends electrical impulses to whichever body part you place the pad on Choose from a sensuous tingle to a throbbing tap all with the push of a button and pick one of the 5 body zones to stimulate. Using the timer function you can select the time of use and the battery-powered unit will automatically shut off. The pads are self-adhesive attach to the lead wire using snaps.