This electro sex starter set comes with a 9V battery, clamps, adhesive pads and cables included.The electro box has two channels which can be controlled individually by turning the knobs on top. These make it possible to play with two accessories at the same time. With the rotary knobs you can very slowly and carefully increase the current. Our advice is to set the switch in the battery compartment to position B. The principle of electro sex stimulation is to create an uncontrollable muscle contraction by means of an electric shock. The electric shock stimulates a nerve and causes a contraction of one or more muscles located in the direct vicinity of the nerve. The stronger the stimulus, the greater the force of contraction of the muscle will be. Rimba has designed a large number of accessories that can be connected to any Rimba power box. The accessories electrodes have different shapes and sizes, tailored to the erogenous zones for both men and women.