From the Manufacturer
Regardless of your requirements, Sloan offers a variety of solutions to meet your water conservation and restroom needs. Battery-Powered Sensor Operated Control Module and Flex-Tube Diaphragm Inside Parts Kit, 4 AA Alkaline batteries. Installation Strap Wrench and Screwdriver included. Kits must be ordered to meet Flush Volume requirements of existing or new Water Closets and Urinals.