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Ring White Alarm Flood & Freeze Sensor
Ring White Alarm Flood & Freeze Sensor 0
Ring White Alarm Flood & Freeze Sensor 1

Ring White Alarm Flood & Freeze Sensor

Model #: 4SF1S8-0EN0
At a Glance
Place the Alarm Flood and Freeze Sensor on the floor or any flat surface near a sink, refrigerator or any other water source, and get alerts when water or low temperatures are detected.
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Get to know this product.

Protect your home from water damage.

Place Sensors near water sources at home to stay ahead of potential leaks and frozen pipes. You’ll receive notifications when water is detected or when the temperature drops below 40°F, and if you’re signed up for professional monitoring, we’ll give you an automated call to let you know there’s an issue.

  • Requires the Ring Alarm Security Kit
  • Sends mobile and email notifications
  • Place near sinks, bathtubs, showers, refrigerators, water heaters, water coolers, toilets, basements and any other sources of potential leaks

Size and Color

Dimensions2.95 in. Diameter; 1.06 in. Height (7.5 cm. Diameter; 2.7 cm. Height)
Available ColorsWhite

Power and Connectivity

Battery3V Lithium Battery Included
Battery LifeMax 3 Years
ConnectivityZ-Wave (250-foot range to Base Station)


Operating Conditions32°F to 120°F (0°C to 49°C)
Setup RequirementsRing Alarm Security Kit (sold separately)

Misc. Specs

Manufacturer Warranty1 Year
WarningProposition 65 Warning for California Residents