Sloan 8111 1.6/1.1 Solis Electronic Dual Flush, ChromeExposed, Battery Powered, Sensor Activated Sloan Ecos Electronic Dual Flush Model Water Closet Flushometer for floor mounted or wall hung top spud bowls.Sloan 8111 1.6/1.1 Solis Electronic Dual Flush, Chrome Features: If the user is present for less than one minute and leaves the sensing zone or chooses the small override button, a reduced flush initiates (1-1/gpf/4.2 Lpf) eliminating liquid and paper waste, saving 1" gallon of water If the user is present for greater than one minute and leaves the zone or chooses the large override button, the full flush initiates (1 gpf/6.0 Lpf) eliminating solid waste and paper Reduces water volume by up to 30% when a reduced flush occurs PERMEX Synthetic Rubber Diaphragm with twin linear filtered bypass and vortex cleansing action Flex Tube Diaphragm designed for improved life and reduced maintenance ADA Compliant Sloan ECOS Electronic Dual Flush 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 Infrared Sensor Range Adjustment Screw Initial Set-up Range Indicator Light (first 1"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 1-1/2" Top Spud Sweat Solder Adapter w/Cover Tube and Cast Wall Flange w/Set Screw 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 Water Conserving 1.6gpf