The Deluxe Digital Power Box is a great toy for beginners. It features two channels with adjustable intensity, seven preset routines, a timer, and a digital display. It comes with two snap clip leads and four extra large adhesive pads. It's also compatible with any of our bipolar accessories. Just pop them out of the box and hook them up for new and exciting sensations. Digital Power Box Set Includes: Digital power box Premium adhesive pads (sets of 2) Lead wires 3 AAA Batteries Manual