True Mechanical Override Flush Button;Four (4) size C batteries included;“Low Battery” Flashing LED;“User in View” Flashing LED;72-Hour Sentinel Flush;3⁄4” I.P.S. screwdriver Bak-Chek angle stop with free spinning, vandal resistant stop cap;Sweat Solder Adapter w/Cover Tube and Cast Wall Flange with Set Screw;No External Volume Adjustment to Ensure Water Conservation;Handle Packing, Main Seat, Stop Seat and Vacuum Breaker Molded from PERMEX Rubber Compound for Chloramine resistance;Includes adhesive backed metal wallplate with non-potable water warning;Features purple wall flange, diaphragm guide, bonnet and inner cover to communicate reclaimed water use;Infrared Sensor with Multiple-focused, Lobular Sensing Fields for high and low target detection