Electrosex works by running a gentle current through the body, exciting nerves and muscles along the way, essentially making your body pulse and vibrate. The Palm Power Box is a great way to get started, with 6 modes and multiple levels of intensity. It is compatible with all Zeus Electrosex accessories and the included pads are great for experimenting with Electrosex.Measurements: Controller is 3 inches long and 2.38 inches wide.Pads are 1.88 inches wide.Lead wires are 55 inches long. Material:andnbsp;ABS, SiliconeColor:andnbsp;SilverNote:andnbsp;Requires 2 AAA batteries, not included.