The Zeus Handheld Power Box is a great entry-level unit for those exploring the pleasures of e-stim. Portable and simple to operate, this power box features 8 unique modes of current and 15 different levels of intensity. Two black premium silicone electro pads are included to get you started, and the convenient storage tray is the perfect place to stick those pads between uses to keep the conductive surfaces clean and ready to go. The Handheld Power Box is compatible with all Zeus Electrosex attachments so you can branch out and experiment. Batteries are included for immediate use.