Sloan OPTIMA ® SMOOTH Flushometer Exposed, Battery Powered, Sensor Activated, Sloan ® OPTIMA ® SMOOTH Water Closet and Urinal Flushometers for floor mounted or wall hung top spud bowls with the following features:FlushometerHigh Chloramine Resistant PERMEX Synthetic Rubber Diaphragm with Linear Filtered Bypass and Vortex Cleansing Action ADA Compliant Metal Oscillating Non-Hold-Open Handle with Triple Seal Handle Packing 1 I.P.S. Screwdriver Bak-Chek Angle Stop Vandal Resistant Stop Cap Adjustable Tailpiece Vacuum Breaker with Flush Connection Spud Coupling and Spud Flange Sweat Solder Adapter with Cover Tube and Cast Wall Flange High Copper, Low Zinc Brass Castings for Dezincification Resistance Non-Hold-Open Handle and No External Volume Adjustment to Ensure Water Conservation Low Consumption Flush Accuracy Handle Packing, Stop Seat and Vacuum Breaker Molded from PERMEX Rubber Compound for Chloramine Resistance OPTIMA ® SMOOTH unitADA Compliant OPTIMA ® SMOOTH Battery Powered Infrared Sensor for automatic “hands-free operationSensor with Automatic Range AdjustmentChrome Plated Metal Sensor HousingMechanical Manual Override Flush HandleFour (4) Size C Batteries included “Low Battery Flashing LED “User in View Flashing LED25 to 80 psi Operating Range