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Description
Battery Operated Smoke and Carbon Monoxide Combination Detector with Wire-Free Interconnect and Voice Alarm (2-pack)The Kidde 2 in 1 Battery Operated Wire Free Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice provides two important safety devices in a single unit. The alarm is powered by 3 AA batteries and features a voice alarm that warns of smoke or carbon monoxide danger. The voice alert also lets you know when it's time to replace your batteries. This alarm features wire free interconnectivity with other Kidde KN COSM B RF units (up to 12
The Kidde 2-in-1 Battery Operated Wire-Free Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice provides two important safety devices in a single unit. The alarm is powered by 3 AA batteries and features a voice alarm that warns of smoke or carbon monoxide danger. The voice alert also lets you know when it's time to replace your batteries. This alarm features wire-free interconnectivity with other Kidde KN-COSM-B-RF units (up to 12 total). If one unit is triggered, all interconnected alarms will sound. Wire-free interconnectivity allows for easy interconnect setup and eliminates the need for expensive rewiring. You can even install this smoke detector in a detached garage or workshop and be alerted by another detector in the house..- Powered by 3 AA alkaline batteries for continuous protection, even during power outages
- UL # 900-0225-RF
- Voice alert tells user to if the battery is low
- Voice alarm announces "Fire! Fire! Fire!", when a smoke or fire hazard is detected and announces "warning! carbon monoxide" when a CO hazard is detected
- Smart touch button temporarily silences nuisance alarms, low battery chirps, and tests the operation of the unit and interconnected units
- Internal timer reminds you to replace your unit after 10 years to ensure the most reliable protection
- Ionization sensor may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms
- Interconnect is not required; this alarm also functions as a stand-alone Smoke and Carbon Monoxide detector
- 10-year limited warranty
- UL/CSFM ref.UL # 900-0225-RF
- *Check with your state and local fire and Building/Safety codes for specific information regarding smoke & Carbon Monoxide Alarms.
- Smoke and carbon monoxide detectors utilize an ionization sensor to detect fire hazards and sound an 85 db alarm when a hazard is detected
- UL/CSFM Ref. Kidde Part KN-COSM-B-RF
Features
| Item Weight | 2 |
| Alarm Type | Carbon Monoxide,Smoke |
| Connector/Contact Type | None |
| Pack Size | 2 |
| Alarm/Detector Features | Hush Feature,Interconnected,Value Pack,Voice Alert,Wire-free Interconnect |
| Hub Required | No hub connection available |
| Commercial/Residential | Residential |
| Included | Batteries |
| Returnable | 180-Day |
| Battery Type Required | AA |
| Requires Hub? | No Hub Required |
| Power Options | USB Connector |
| Voltage (volts) | 4.5 |
| Remote Access | No Remote Access |
| Alarm Sensor Type | Ionization |
| Fixed or portable | Fixed |
| Works With | No additional compatibility |
| Smart Home Protocol | Wi-Fi |
| Power Source | Battery |
| Voice Control Hub Required | No Voice Control |
| Product Height (in.) | 6 |
| Product Width (in.) | 6 |
| Product Depth (in.) | 1.75 |
| Certifications and Listings | UL Listed |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 1
Showed up a month late and couldn't cancel it
Absolutely sucks does nothing and didn't arrive till a week after it was supposed too I wanted to give it a zero star review it won't let me
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Good Product. Will buy again.
Flavor Name: Unflavored, Size: 300 Count (Pack of 1)
Works for me. Softens the stool and keeps me regular.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Showing its effect immediately
Flavor Name: Unflavored, Size: 300 Count (Pack of 1)
I had been struggling with digestive issues for a long time. Regularity came back within just a few days. The capsule form is very convenient, no need to drink powder. 300 capsules last a long time. Highly recommend.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Good
Flavor Name: Unflavored, Size: 300 Count (Pack of 1)
Overall good. Price was ok. Expiration date far away. Quick delivery.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Metamucil Daily Psyllium Husk Powder Supplement, 3-in-1 Fiber for Digestive Health
Flavor Name: Unflavored, Size: 300 Count (Pack of 1)
Effective Fiber Supplement with a Few Minor Drawbacks
I've been using Metamucil for several weeks now, and I can confidently say it’s made a noticeable difference in my digestive health. This 3-in-1 psyllium husk powder really lives up to its promise: it supports regularity, helps curb appetite between meals, and contributes to overall gut health.
One of the biggest benefits I’ve experienced is improved consistency and regularity—within just a few days of taking it daily, I felt lighter, less bloated, and more “in rhythm.” It’s also great knowing that it helps support heart health by lowering cholesterol, which makes it more than just a basic fiber supplement.
That said, there are a couple of small things that keep this from being a full 5-star product:
1. Texture and mixing – Even when stirred thoroughly, the powder tends to thicken quickly and can become a bit gelatinous if you don’t drink it immediately. It's not awful, but the texture might be off-putting for some, especially if you're new to fiber drinks.
2. Taste – I tried the orange flavor, which is decent and not too sweet, but there is still a slightly artificial aftertaste. It’s manageable, especially if mixed with cold water, but not exactly enjoyable.
3. Frequency – You have to take it consistently (1–3 times a day depending on your needs), so it does require sticking to a routine to get the full benefits.
Despite those minor issues, it’s an effective and reliable fiber supplement that does what it claims. If you’re looking for something to help with regular digestion, mild appetite control, and general gut wellness, this is a solid choice. Plus, the large container lasts quite a while, so it’s a good value.
I’d definitely recommend it—but be prepared for a bit of a learning curve with the texture.
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Reviewed in the United States on June 15, 2025