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
- Voltage:
- Material:
- Plug Type:
- Alarm Type: Audible, Smart
- Dimensions: 127, 127, 51
- Sensor Type:
- Battery Type: AA
- Connectivity: Wi-Fi
- Display Type:
- Power Source: Battery or AC
- Response Time:
- Detection Type: Smoke
- Detection Range:
- Battery Quantity:
- Alarm Sound Level:
- Additional Sensors:
- Batteries Included: Yes
- Smart Home Compatibility:
- 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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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Kidde 20SAR-W White
|
Evjeal CDR-811 Black
|
X-Sense FS51 White Immediate phone alerts on smoke detection
|
Kidde 20SD10 White Never-change 10-year battery
|
Soewolit KT0917
|
X-Sense XS0B-iR White
|
|
| Brand | Kidde | Evjeal | X-Sense | Kidde | Soewolit | X-Sense |
| Model | 20SAR-W | CDR-811 | FS51 | 20SD10 | KT0917 | XS0B-iR |
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| Price | $54.97 | $43.99 | $92.44 | $32.47 | $109.69 | $21.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 12, 2026 | January 12, 2026 | December 9, 2025 | January 12, 2026 | January 12, 2026 | December 9, 2025 |
| Weight | 549 | 45 | <num1>, <num2> | 273 | <num1>, <num2> | 231 |
| Material | Plastic | Plastic | ABS | ABS | ||
| Alarm Type | Audible, Smart | Audible, Visual | Audible, Smart | |||
| Dimensions | 127, 127, 51 | 90, 90, 30 | <num_width>, <num_height>, <num_z> | 127, 127, 51 | 107, 102, 102 | 110, 110, 33 |
| Battery Type | AA | Alkaline | Alkaline | AA | ||
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | |
| Power Source | Battery or AC | Battery | Battery | Battery | Battery | |
| Detection Type | Smoke | Smoke | Smoke | |||
| Alarm Sound Level | 85 | 85 | ||||
| Batteries Included | Yes | Yes | Yes | Yes | Yes | |
| Detection | Smoke | Smoke | Carbon Monoxide, Smoke | |||
| Pack Size | 2 | 5 | 3 | |||
| Alert Type | App Notification, Audible | App Notification, Audible | App Notification, Audible, Visual | |||
| Wi-Fi Band | 2.4 GHz | 2.4 GHz | 2.4 GHz | |||
| App Ecosystem | Tuya/Smart Life | X-Sense | Tuya/Smart Life | |||