G2 Optima Plus Exposed Battery Powered Urinal Flushometers Quiet, Exposed, Diaphragm Type, Chrome Plated Urinal Flushometer for either left or right hand supply with the following 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 Isolated Latching Solenoid Operator, isolates magnetic components from water contact 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) 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 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 molded from PERMEX Rubber Compound for Chloramine Resistance