Installation Procedure 19 18 Plug in 6 volt AC/DC adapter (44) into an unswitched AC wall outlet. Then insert power cable of 4 AA DC backup battery box (46) to backup battery input port (74) on Digital Controller. Installation is now complete. Turn on cold and hot water supply valve (82, 84) . Check for any water leakage. 74 44 44 46 46 84 82 LIMITED WARRANTY (For product(s) sold and delivered in U.S.A & Canada only) COVERED PRODUCT(S) -- Cinaton iSense Touch Free Intelligent Faucets.