Sloan Valve's ADA-compliant OptimaR Systems are comprised of a variety of electronic Flushometers, faucets, sinks and hand dryers, including the Optima and Optima Plus (battery-powered) models. The systems are available in a variety of traditional and contemporary models and finishes.They are fully automatic, using electronics to deliver "touch-free" operation. The systems turn off and on as needed through the use of infrared sensors. Sloan Valve Co.