• Pressure Compensation feature ensures accurate flush volume regardless of inlet water pressure• Self-Cleaning Piston with integral wiper spring significantly reduces clogging and maintenance• Selectronic® Proximity System with universal sensor provides hygienic, "hands free" operation• State-of-the-Art Electronics prevent ghost flushing• Dezincification Resistant semi-red brass alloy• Fully Mechanical Manual Override Button can flush the valve without power• Fail-Safe: Valve automatically closes upon loss of or water pressure and does not need to be reset• Adjustable Sanitary Flush cleans the fixture & maintains the trap seal.• Stadium Feature: Valve automatically switches to water savings mode during periods of heavy usage• Chemical Resistant EPDM Seals for extended life• Adjustable Tailpiece for rough-in flexibility• Can be installed left or right handed• All exposed parts are chrome plated