Kidde 20SAR-W Hardwired App Enabled Smart Smoke Detector with AA Backup Battery, Interconnected Alarm: Reduced nuisance alarms with enhanced sensing technology
This smart smoke detector is for the homeowner who wants to protect their family without constant worry. It connects to your phone, so you get real-time alerts for smoke or low battery, whether you're at home or away. The enhanced sensing technology reduces false alarms from cooking, so you can trust the alert when it matters.
Imagine getting a mobile notification before a neighbor even texts you about a beeping alarm. The two-way audio feature lets you hush false alarms remotely from your phone, and the interconnected system alerts every hardwired alarm in your home with just one smart unit. Setup is simple with Wi-Fi, and it includes everything you need, including a backup battery for reliability. This isn't just a safety device; it's peace of mind that keeps your home secure and connected.
Features
- Whole home smart connectivity for mobile alerts
- Real-time notifications for smoke or low battery warnings
- 3X more precise smoke detection
- Hush button to test and silence false alarms
- End-of-life alarm after 10 years
- Hush false alarms from your phone
- Simple setup with 2.4 GHz Wi-Fi
- Comprehensively tested and certified to UL 217 and FCC standards
- Reduced nuisance alarms with enhanced sensing technology
General specs
- Brand: Kidde
- Model: 20SAR-W
- Seller: Amazon
- ID: B0F7JNJ2CL
- Weight: 549
- Alarm Type: Audible, Smart
- Dimensions: 127, 127, 51
- Battery Type: AA
- Connectivity: Wi-Fi
- Power Source: Battery or AC
- Detection Type: Smoke
- Batteries Included: Yes
- First listed by seller: 1/12/26
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
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| Brand | Kidde | Kidde | Evjeal | Soewolit | Kidde | Evjeal |
| Model | 20SAR-W | RGCUAR-RW | CDR-811 | SO507YW | RGSAR-RW | CDR-811 |
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| Price | $54.97 | $74.97 | $23.99 | $103.98 | $52.78 | $43.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Jan 12, 2026 |
| Weight | 549 | 544 | 45.36 | 548.85 | 181 | 45 |
| Material | ABS | Plastic | Plastic | Plastic | Plastic | |
| Dimensions | 127, 127, 51 | 127, 127, 51 | 90, 90, 30 | 76.2, 55.88, 76.2 | 127, 51, 127 | 90, 90, 30 |
| Battery Type | AA | AA | Alkaline | Lithium Metal | Alkaline | Alkaline |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Power Source | Battery or AC | Battery or AC | Battery | Battery | Hardwired | Battery |
| Batteries Included | Yes | Yes | Yes | Yes | Yes | Yes |
| Detection | Smoke | Smoke | Smoke | Smoke | ||
| Pack Size | 1 | 6 | 1 | 2 | ||
| Alert Type | App Notification, Audible | App Notification, Audible, Visual | App Notification, Audible | App Notification, Audible | ||
| 2.4 GHz | 2.4 GHz | 2.4 GHz | 2.4 GHz | |||
| Battery Size | AAA | AA | AAA | |||
| App Ecosystem | Tuya/Smart Life | Tuya/Smart Life | Ring | Tuya/Smart Life | ||
| Mounting Type | Ceiling-Mounted | Ceiling-Mounted, Wall-Mounted | Ceiling-Mounted | Ceiling-Mounted | ||
| Voice Assistant Compatibility | Alexa, Google Assistant | Google Assistant | Alexa | Alexa, Google Assistant | ||