G2-8110 Sloan Royal Optima Plus 3.5GPF Exposed Battery Operated Closet Flush Valve (3250404) - Chrome 
Features: - PERMEX Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass
 - Flex Tube Diaphragm designed for improved life and reduced maintenance
 - ADA Compliant OPTIMA Plus Battery Powered Infrared Sensor for automatic “No Hands” operation
 - Infrared Sensor with Multiple-focused, Lobular Sensing Fields for high and low target detection
 - Latching Solenoid Operator
 - Engineered Metal Cover with replaceable Lens Window
 - User friendly three (3) second Flush Delay
 - Courtesy Flush Override Button
 - Four (4) Size AA Batteries factory installed
 - “Low Battery” Flashing LED
 - Infrared Sensor Range Adjustment Screw
 - Initial Set-up Range Indicator Light (first 10 minutes)
 - Chrome Plated Metal Handle Cap
 - 1” I.P.S. Screwdriver Bak-Chek Angle Stop
 - Free Spinning, Vandal Resistant Stop Cap
 - Adjustable Tailpiece
 - High Back Pressure Vacuum Breaker Flush Connection with One-piece Bottom Hex Coupling Nut
 - Spud Coupling and Flange for 1.5” Top Spud
 - Sweat Solder Adapter with Cover Tube and Cast Set Screw Wall Flange
 - High Copper, Low Zinc Brass Castings for Dezincification Resistance
 - Fixed Metering Bypass and No External Volume Adjustment to Ensure Water Conservation
 - Flush Accuracy Controlled by CID Technology
 - Diaphragm, Stop Seat and Vacuum Breaker to be molded from PERMEX Rubber Compound for Chloramine resistance
 - 11.5" height (to center inlet)