Self-Powered Hydroelectric Flush Valve System; No Minimum Daily Usage Requirement; Neutral Rough-In and Adjustable Tail Piece Connection; Manual Flush Override; Smart Sensor with Self-Adjusting Detection Range; 6 Second Detection time to Prevent Ghost Flushing; Automatic Maintenance Flush after 12 Hours of Inactivity; EcoPower Technology Requires No Electricity or Routine Battery Replacement; ADA Compliant; WaterSense® Certified 1" Toilet/3/4" Urinal, NPT Inlet, 0.125 GPF, Stainless Steel Cast Bronze, Rear Spud, Urinal Flush Valve with 3/4" Vacuum Breaker