Evjeal CDR-811 Smoke Detector: WiFi-enabled with app alerts for smoke detection and low battery
This smart smoke detector is designed for homeowners who want modern protection without complicated maintenance. Think of it as your digital safety net—perfect for busy families who need reliable alerts when they're at work or traveling.
While most smoke alarms focus only on emergency detection, this device gives you proactive control. The app sends instant notifications to your phone if smoke is detected, but the real value comes from preventing false alarms. The upgraded sensor distinguishes cooking smoke from dangerous fires, so you won't get unnecessary alerts during dinner prep. You can test the alarm remotely or silence it with a tap, which is especially helpful for elderly relatives who might struggle with traditional units.
Practical features make daily life easier. The top-access battery cover lets you replace AAA batteries without taking the detector down—no ladder needed for routine maintenance. Setup connects to your 2.4GHz Wi-Fi in minutes, and it works as a standalone alarm even without the app. You get continuous protection with low-battery warnings and fast customer support if needed.
Features
- Top-access battery cover for easy replacement without removal
- App control for remote testing, muting, and notifications
- Simple setup with 2.4GHz Wi-Fi and no hub required
- Advanced photoelectric sensor to reduce false alarms
- Works as standalone alarm without WiFi
- WiFi-enabled with app alerts for smoke detection and low battery
General specs
- Brand: Evjeal
- Model: CDR-811
- Seller: Amazon
- ID: B0FGDG2F4L
- Weight: 45
- Material: Plastic
- Detection: Smoke
- Pack Size: 2
- Alert Type: App Notification, Audible
- Dimensions: 90, 90, 30
- Wi-Fi Band: 2.4 GHz
- Battery Size: AAA
- Battery Type: Alkaline
- Connectivity: Wi-Fi
- Power Source: Battery
- App Ecosystem: Tuya/Smart Life
- Mounting Type: Ceiling-Mounted
- Batteries Included: Yes
- Voice Assistant Compatibility: Alexa, Google Assistant
- 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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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Evjeal CDR-811 Black
|
Soewolit KT0917
|
X-Sense XS0B-iR White
|
Kidde 20SAR-W White
|
X-Sense XP0A-iR Real-time app notifications for alarms and faults
|
Soewolit SO507YW White Wi-Fi connectivity with app notifications
|
|
| Brand | Evjeal | Soewolit | X-Sense | Kidde | X-Sense | Soewolit |
| Model | CDR-811 | KT0917 | XS0B-iR | 20SAR-W | XP0A-iR | SO507YW |
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| Price | $43.99 | $109.69 | $21.98 | $54.97 | $31.29 | $52.18 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 12, 2026 | January 12, 2026 | December 9, 2025 | January 12, 2026 | December 9, 2025 | December 9, 2025 |
| Weight | 45 | <num1>, <num2> | 231 | 549 | 0.70988848364 pounds | |
| Material | Plastic | ABS | ||||
| Pack Size | 2 | 3 | 3 | |||
| Dimensions | 90, 90, 30 | 107, 102, 102 | 110, 110, 33 | 127, 127, 51 | ||
| Battery Type | Alkaline | AA | AA | CR2032 | ||
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi‑Fi | |
| Power Source | Battery | Battery | Battery or AC | Battery | ||
| Batteries Included | Yes | Yes | Yes | Yes | ||
| Alarm Sound Level | 85 | 85 | ||||
| Alarm Type | Audible, Smart | Audible, Smart | Audible | |||
| Sensor Type | Electrochemical | Photoelectric Smoke Sensor, Electrochemical CO Sensor | ||||
| Detection Type | Smoke | Smoke | Smoke | |||
| Smart Home Compatibility | Xiaomi Mi Home | Smart Life | ||||