When it comes to smart homes, most people think of security cameras, smart lighting, and voice assistants. But what about protection against invisible dangers like fire, carbon monoxide, flooding, and frozen pipes? These silent threats can cost you thousands of dollars—or worse. Fortunately, Ring, a leader in smart home security, offers two essential sensors every American home should consider: the Ring Alarm Smoke and CO Listener and the Ring Alarm Flood and Freeze Sensor.
These aren’t standalone detectors—they’re smart sensors designed to monitor your existing smoke, carbon monoxide, or water leak detectors. They listen, detect, and instantly alert you through the Ring app and connected devices. Combined with the Ring Alarm Base Station, they offer real-time peace of mind, even when you’re away from home.
Let’s dive deep into Ring Alarm Smoke and CO Listener features, specs, real customer feedback, and how they can become the unsung heroes of your smart home setup.
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Top Features: Ring Alarm Smoke and CO Listener
| Feature | Details |
|---|---|
| Smart Listening | Detects the sound of existing smoke or CO alarms and sends app notifications |
| No Need to Replace Alarms | Works with existing UL-listed detectors |
| Quick Notifications | Sends alerts to your smartphone when it hears alarm sirens |
| Ring Alarm Integration | Pairs with Ring Alarm Base Station |
| Battery Operated | Runs on 3V lithium battery with up to 3 years of life |
| Tool-Free Setup | Mounts easily next to your smoke/CO alarms using adhesive or screws |
| App Alerts | Sends alerts through Ring app, even if you’re away from home |
| Professional Monitoring | Triggers Ring Protect Plus monitoring (subscription required) |
| Compact Size | Minimal footprint, easy to place on ceilings or walls |
| Tamper Detection | Alerts if the device is removed or tampered with |
Top Features: Ring Alarm Flood and Freeze Sensor
| Feature | Details |
|---|---|
| Water Leak Detection | Notifies you the moment it detects water, preventing mold or flood damage |
| Freeze Alerts | Monitors and alerts when temperature drops below 40°F |
| Compact & Low-Profile | Easily fits under sinks, near sump pumps, water heaters, or basements |
| Wireless Operation | Uses a CR123A battery with up to 3 years of life |
| Ring App Integration | Instantly alerts you via smartphone push notification |
| Smart Monitoring Support | Works with Ring Protect Plus for professional monitoring |
| Tamper Detection | Notifies you if the sensor is moved or removed |
| Tool-Free Installation | Just place it flat on the floor—no tools or wiring required |
| Z-Wave Communication | Connects securely through Ring Alarm’s Z-Wave mesh network |
| Multi-Sensor Setup | Place multiple sensors throughout your home for comprehensive coverage |
Specifications: Ring Alarm Smoke and CO Listener
| Specification | Details |
|---|---|
| Model | 4SS1S8-0EN0 |
| Power Source | 3V Lithium Battery (included) |
| Battery Life | Up to 3 Years |
| Dimensions | 2.95 x 2.95 x 1.06 inches |
| Weight | 1.3 oz |
| Wireless Protocol | Z-Wave (requires Ring Alarm Base Station) |
| Compatibility | Works with UL-listed smoke/CO alarms |
| App Support | Ring App for iOS & Android |
| Mounting Options | Screws or adhesive |
| Warranty | 1-Year Limited |
Specifications: Ring Alarm Flood and Freeze Sensor
| Specification | Details |
|---|---|
| Model | 4SF1S8-0EN0 |
| Power Source | CR123A Lithium Battery |
| Battery Life | Up to 3 Years |
| Dimensions | 2.95 x 2.95 x 1.06 inches |
| Weight | 1.9 oz |
| Wireless Protocol | Z-Wave (via Ring Alarm Base Station) |
| Operating Temperature | 32°F to 120°F |
| Freeze Alert Threshold | Below 40°F |
| Installation | Place flat, no tools required |
| App Notifications | Yes (via Ring App) |
Real U.S. Customer Reviews
| Customer | Rating | Review |
|---|---|---|
| Tina S. (Michigan) | ⭐⭐⭐⭐⭐ | “Saved us from a $10K flood when our water heater leaked—worth every penny.” |
| Josh M. (Texas) | ⭐⭐⭐⭐☆ | “Smoke listener works perfectly. I now get notified if my parents’ house alarm goes off.” |
| Carmen D. (Florida) | ⭐⭐⭐⭐⭐ | “Installed three flood sensors around the house. Caught a leak under the sink instantly.” |
| Liam R. (California) | ⭐⭐⭐⭐☆ | “Freeze sensor helped us winterize a rental cabin. Alerted us when temps dropped too low.” |
| Erica P. (New York) | ⭐⭐⭐⭐⭐ | “Super easy to set up. Battery still going strong after a year. I feel safer with Ring.” |
Why You Need These Sensors in 2025
🔥 1. Peace of Mind from Anywhere
Whether you’re at work, on vacation, or just sleeping, Ring’s smart sensors keep an ear and eye on your environment. The moment a smoke alarm or water leak is detected, you’re notified.
🌡️ 2. Prevention is Cheaper Than Repair
Water damage costs U.S. homeowners an average of $5,000+ per incident. Fire damage can be far more devastating. These sensors cost less than a dinner out and offer thousands in protection.
📱 3. Part of a Whole-Home Smart Security System
If you’re already using the Ring Alarm system, these devices add an extra layer of protection. With a Ring Protect Plus plan, professional monitoring ensures help is sent even if you miss an alert.
🧠 4. Easy Integration with Smart Homes
Both sensors connect through Z-Wave and the Ring App, and you can expand your setup to include smart locks, lights, doorbells, and cameras.
Use Cases & Placement Tips
| Location | Sensor Type | Purpose |
|---|---|---|
| Near Smoke/CO Alarms | Smoke & CO Listener | Alerts if alarms sound (especially useful when away) |
| Basement / Laundry Room | Flood & Freeze Sensor | Detect pipe leaks or burst washing machine hose |
| Under Kitchen Sink | Flood & Freeze Sensor | Spot under-sink leaks early |
| Garage or Water Heater | Flood & Freeze Sensor | Prevent water heater overflows or freezing pipe damage |
| Vacation Home | Both | Stay updated on smoke, fire, and freezing risks remotely |
| Elderly Parent’s Home | Smoke & CO Listener | Monitor alarms without installing invasive tech |
Affiliate Link – Buy Now
👉 Buy the Ring Alarm Smoke and CO Listener
✅ Ships nationwide
✅ Compatible with Ring Alarm
✅ Multi-pack options available for larger homes
Final Verdict: Should You Get These Ring Sensors?
If you’re serious about comprehensive smart home protection, these sensors are a no-brainer. They’re affordable, easy to install, and integrate beautifully with the Ring ecosystem. Whether you’re guarding against flood damage, fire hazards, or freezing temps, these tools give you the gift of foresight—and sometimes, that’s all you need to prevent a disaster.
Add them to your system today and sleep better knowing your home is being monitored 24/7.
🔗 Learn how to automate your entire home with our complete Smart Sensors and Automation Guide.
