Moen 8310 Commercial M-Power 1-1/2-Inch Closet Battery Powered Sensor-Operated Flush Valve 1.6 gpf, Chrome Moen Closet Flush Valve Elegant design and finish The product is manufactured in United States Chrome finish to create a bright, highly reflective, cool grey metallic look Mechanical override button provides flushing in the event of power loss Automatic activation means valve can't be left -Inchon-Inch accidentally or allowed to run unattended Hands-free operation limits the spread of germs Third party certified by IAPMO and CSA to meet ASME A112.19.2M and all applicable requirements referenced therein and complies with requirements of ASSE 1037