The biggest maker of high tech toilets is Toto. Such toilets can cost from $2,000 to $4,000. Some Features include: Urine and stool analysis, for medical monitoring. Matsushita's "Smart Toilet" checks blood pressure, temperature, and blood sugar. Digital clock, to monitor time spent in the bathroom. Automatic lid operation, to open and close the lid. Heated seats. Deodorizing fans.