In case of a power disruption, the Moen® Flo Battery Backup accessory ensures continuous power and functionality for the Flo Smart Water Monitor and Shutoff for up to four hours, safeguarding homes against water leaks and damage. The device seamlessly switches to its battery supply to maintain power as soon as an outage occurs. Rigorously tested for reliability and safety assurance, this battery backup is an optional accessory that is specifically designed to work with the Smart Water Monitor and Shutoff.