Evjeal CDR-811 White, 2-pack Smoke Detector
Available offers (2)
Price history by offer
Volatility: HighFeatures
- WiFi-enabled with app alerts for smoke detection and low battery
- 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
General specs
- Brand: Evjeal
- Model: CDR-811
- Seller: Retailer
- 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: January 12, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
United States
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.
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| Brand | Evjeal | Soewolit | Soewolit | Gaoducash | Soewolit | Kidde |
| Model | CDR-811 | SO507YW | SO507YW | YG400A | KT0917 | 20SAR-W |
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| Price | €33.34 | €92.73 | €55.28 | €24.96 | €88.51 | €49.02 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 25, 2026 | Mar 21, 2026 | Mar 21, 2026 | Apr 29, 2026 | Apr 3, 2026 | Jun 24, 2026 |
| Weight | 45 | 548.85 | 118 | <num1>, <num2> | 549 | |
| Material | Plastic | Plastic | ABS Plastic | |||
| Detection | Smoke | Smoke | Smoke | Carbon Monoxide, Smoke | ||
| Pack Size | 2 | 6 | 3 | 1 | 3 | |
| Alert Type | App Notification, Audible | App Notification, Audible, Visual | App Notification, Audible | App Notification, Audible, Visual | ||
| Dimensions | 90, 90, 30 | 76.2, 55.88, 76.2 | 84.6, 44.7, 84.6 | 107, 102, 102 | 127, 127, 51 | |
| Wi-Fi Band | 2.4 GHz | 2.4 GHz | 2.4 GHz | 2.4 GHz | ||
| Battery Type | Alkaline | Lithium Metal | CR2032 | Alkaline | AA | |
| Connectivity | Wi-Fi | Wi-Fi | Wi‑Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Power Source | Battery | Battery | Battery | Battery | Battery or AC | |
| App Ecosystem | Tuya/Smart Life | Tuya/Smart Life | Tuya/Smart Life | Tuya/Smart Life | ||
| Mounting Type | Ceiling-Mounted | Ceiling-Mounted, Wall-Mounted | Ceiling Mount, Wall Mount | |||
| Batteries Included | Yes | Yes | Yes | Yes | Yes | |
| Voice Assistant Compatibility | Alexa, Google Assistant | Google Assistant | Google Assistant | |||
| Alarm Sound Level | 85 | 85 | 85 | 85 | ||
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