Features | Solid Metal Construction For Durability And Reliability Fixture-Mount Design Includes Four 1.5 V Aa Alkaline Batteries Electronic Infrared Sensor With Tripoint(Tm) Technology Accurate Activation Intended Washout Urinal Installations 3/4 inch Top Spud Coupling Connection 24 Hour Sentinel Flush Operates Automatically If Unit Not Flushed Hours 1.0 Gallon Per Piston Valve Offers Reliable Flushing Performance Across Pressures Distance Is Factory Set - No Adjustments On-Site Chloramine Resistance On All Rubber Exposed To Waterway Manual Courtesy Button (Workswith |