Ring Alarm Flood and Freeze Sensor, Wireless, 3V Lithium Battery Included, Non-Rechargeable, Z-Wave, White (4SF1S8-0EN0), (Replaces B07MMTPWZ7)

Prevent costly water damage and freeze-related failures before they escalate with the Ring Alarm Flood and Freeze Sensor. This compact Ring temperature & flood sensor provides continuous environmental monitoring, alerting your team to leaks and dangerously low temperatures so you can act immediately and protect critical assets. Designed for reliable integration, the sensor uses Z-Wave wireless connectivity with an effective range up to 250' to the base station, and sends instant notifications to iOS and Android devices for real-time surveillance and incident response. A 3V non-rechargeable lithium battery offers up to three years of operation, lowering maintenance overhead for facilities managers and installers. The flat-surface, surface-mount form factor in a neutral white finish installs quickly in basements, mechanical rooms, server closets, and other vulnerable locations. Ideal for property managers, IT professionals, and integrators seeking dependable environmental security, the Ring Flood and Freeze Sensor fits smoothly into broader security and monitoring systems. Add this sensor to your risk mitigation strategy to reduce water damage claims and improve uptime—order now to enhance your security and monitoring setup.

• Dual-purpose protection that detects both water leaks and freezing temperatures to minimize downtime and costly property damage
• Instant mobile alerts and Z-Wave connectivity for reliable remote monitoring and faster response from staff or service teams
• Long-life 3V lithium battery (non-rechargeable) delivers up to three years of maintenance-free operation, reducing service visits and total cost of ownership
• Simple flat-surface mount and compact white design blend into commercial and residential installations for unobtrusive environmental surveillance
• Integrates with existing Ring security ecosystems and third-party Z-Wave systems to centralize monitoring and streamline alarm workflows