The Sun-Mar Compact self-contained composting toilet odorlessly converts human waste into safe fertilizing soil. This model is designed for medium capacity use, ideal for a single person in a residential setting or 3-4 people at a cabin for a weekend. What's Included (1) Compact composting toilet(1) Hardware kit(1) Venting kit(1) Composting accessories Features + Benefits Low profile unit complements any bathroom Uses no water 100% non-polluting Includes variable diameter bio-drum with recessed handle for processing compost Runs on standard household current