This is the ABTRONIC electronic fitness system. What is shown in the photos is everything included. Since there is no dedicated gel, we have only confirmed that it can be turned on and off by inserting batteries. We are offering this to someone who understands that the shape is deformed and that there is dirt and discoloration on the part that touches the skin. The dedicated bag has stains and dirt, and the black parts have unremovable dust. Batteries are not included. Please understand that this is a used item. This item has been stored at home for a long time. Please refrain from purchasing if you are sensitive. Microprocessor-controlled ABTRONIC, adjustable intensity, ideal for fitness.