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: ABS, Silicone, Color: Silver, Note: Requires 2 AAA batteries, not included