3FXB Carbon Monoxide Alarm with Digital Display and Voice Alert: Plug-in type for easy installation
This plug-in carbon monoxide alarm is for homeowners who want reliable protection without complicated installation. It's perfect for placing in your kitchen near gas appliances or in bedrooms where you sleep.
While most CO detectors simply sound an alarm, this model gives you clear information with its digital display. You can see the exact CO level at a glance, not just hear a beep. The voice alert tells you "Warning: carbon monoxide detected" in plain English, so you know immediately what's happening even if you're half-asleep.
The plug-in design means no battery changes, and the two-pack lets you cover multiple rooms. It works silently in the background, but when it detects danger, it responds with unmistakable clarity to keep your family safe.
Features
- LED digital display for real-time monitoring
- Voice alert for clear warnings
- Suitable for home and kitchen use
- 2-pack for multi-room coverage
- Plug-in type for easy installation
General specs
- Brand: 3FXB
- Seller: Joom
- ID: 695ba4cef29af401a11d215e
- Alert Type: Voice Alert
- Display Type: LED Digital Display
- Product Type: Carbon Monoxide Alarm, CO Detector Monitor
- Mounting Type: Plug-in
- Package Quantity: 2 Pack
- Intended Location: Home, Kitchen
- First listed by seller: 2/15/26
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | 3FXB | Hembisen | X-Sense | KLTsenaife | tulilut | Soewolit |
| Model | WA996 | XC0C-iA | YHW-543COM-R | SNT966W | CX1KK918 | |
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| Price | $145.64 | $59.99 | $33.99 | $52.99 | $39.90 | $139.52 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 18, 2026 | Dec 6, 2025 | Feb 7, 2026 | Jan 21, 2026 | Feb 7, 2026 | Feb 7, 2026 |
| Display Type | LED Digital Display | LCD | LED with auto-dimming | LCD | ||
| Power Source | Plug-and-play | Plug-In, Battery | Battery | Plug-in (wall outlet) | Battery | |
| Sensor Type | Electrochemical | Electrochemical | Electrochemical | Electrochemical | ||
| Batteries Included | No | Yes | Yes | Yes | ||
| Weight | 190.51 | 181.44 | 104.33 | |||
| Material | ABS | ABS | ABS | |||
| Alarm Type | Smart, Audible | Audible, Smart, Visual | Audible, Visual | |||
| Dimensions | 152.4, 78.74, 33.02 | <num_width>, <num_height>, <num_z> | 8.8 inches height, 5.8 inches length, 3.8 inches width | 38.86, 103.89, 38.86 | ||
| Battery Type | AAA | AA | AA | |||
| Connectivity | Wi-Fi | Wi-Fi | WiFi 2.4 GHz | |||
| Detection Type | Carbon Monoxide | Carbon Monoxide, Smoke | Carbon Monoxide, Smoke | |||
