
029054021847 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.95 | Condition is New, First Alert Smoke Alarm 10-Year Battery Voice Alerts SM210V No Wiring, shipping cost = $6.98 | 100.0% |
![]() | $17.99 | Condition is New, First Alert Alarm Smoke DC10 with LGT SM210L Clam Tray, FREE SHIPPING | ![]() |
![]() | $13.99 | Condition is New, First Alert Smoke Alarm 10 Year Battery sm210L with safety light, shipping cost = $6.98 | 100.0% |
![]() | $15.99 | Condition is New, First Alert Smoke Alarm 10 Year Battery sm210v voice and location alert, shipping cost = $5.98 | 100.0% |
![]() | $14.87 | Condition is New, New Sealed First Alert Smoke Alarm SM210 10 Year Battery Life, shipping cost = $10.95 | 100.0% |
![]() | $17.99 | Condition is New, First Alert CO400 and SM210 combo packs New in Box, shipping cost = $7.50 | 100.0% |
![]() | $19.99 | Condition is New, NEW First Alert Smoke Alarm - 10 Year Battery - with Path Light, shipping cost = $5.89 | 100.0% |
![]() | $19.95 | Condition is New, First Alert Smoke Alarm SM210L Safety Path Light 10-Year Battery No Wiring, shipping cost = $6.98 | 100.0% |
![]() | $25.99 | Condition is New, First Alert Superior Smoke Alarm Slim Profile Design Model SM210 10 Year Battery, FREE SHIPPING | 99.8% |
![]() | $17.95 | Condition is New, First Alert Superior Smoke Alarm -Slim Profile Design- Model #SM210, shipping cost = $9.14 | 99.7% |
![]() | $19.99 | Condition is New, First Alert SM210 Smoke Alarm 10 Year Battery Photoelectric ONE only New, shipping cost = $8.99 | 99.8% |
![]() | $27.99 | Condition is New, First Alert Alarm Smoke DC10 SM210CO400, FREE SHIPPING | ![]() |
![]() | $21.90 | Condition is New, First Alert 10 Year With Path Light Battery-Powered Photoelectric Smoke Detector, shipping cost = $8.06 | 100.0% |
![]() | $29.99 | Condition is New, First Alert Premium Smoke Alarm -Slim Profile Design- Model #SM210V, FREE SHIPPING | 99.9% |
![]() | $24.99 | Condition is New, First Alert Smoke Alarm Model SM210 Slim Profile Sealed Battery 10 Year Lifetime, shipping cost = $6.00 | 98.1% |
![]() | $24.99 | Condition is New, First Alert 10 Year With Path Light Battery-Powered Photoelectric Smoke Detector, shipping cost = $8.06 | 99.5% |
![]() | $33.26 | Top Pick! Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, FREE SHIPPING | 99.1% |
![]() | $28.99 | Top Pick! Condition is New, First Alert 1046731 10-YEAR BATTERY SMOKE ALARM SM210, shipping cost = $6.58 | 99.6% |
![]() | $35.00 | Top Pick! Condition is New, First Alert SM210 Sealed Battery Smoke Alarm with Slim Profile Design White, FREE SHIPPING | 99.2% |
![]() | $26.00 | Condition is New, NEW First Alert Smoke Alarm - 10 Year Battery - with Path Light, shipping cost = $10.95 | 99.8% |
![]() | $27.20 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, shipping cost = $9.94 | 99.9% |
![]() | $30.00 | Condition is New, First Alert 1046736 SM210 10-Year Battery Photoelectric Smoke Alarm 2-Pack, shipping cost = $7.42 | 95.0% |
![]() | $29.99 | Top Pick! Condition is New, First Alert SM210 10-Y Battery Photoelectric Smoke Alarm, 2-ct - USED- ex 7/7/35, shipping cost = $9.69 | 99.6% |
![]() | $30.00 | Condition is New, First Alert SM210 Smoke Alarm 10 Year Battery Photoelectric Sensor Slim White, shipping cost = $9.42 | 0.0% |
![]() | $39.95 | Condition is New, First Alert 10 Year With Path Light Battery-Powered Photoelectric Smoke Detector, FREE SHIPPING | 99.7% |
![]() | $39.99 | Condition is New, two First Alert SM210 Smoke Alarm w/ 10-year Battery, White Slim Profile , FREE SHIPPING | 97.9% |
![]() | $39.99 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, FREE SHIPPING | 99.0% |
![]() | $29.99 | Condition is New, NEW FIRST ALERT 10 Year Sealed Battery SMOKE ALARM Detector SM210 NIB, shipping cost = $11.35 | 99.1% |
![]() | $41.41 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, FREE SHIPPING | 99.5% |
![]() | $34.99 | Condition is New, First Alert 1046743 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM C0400, shipping cost = $9.42 | 100.0% |
![]() | $43.36 | Condition is New, First Alert SM210L, 10-Year Sealed Battery Smoke Alarm with 1-Pack, White , FREE SHIPPING | 97.3% |
![]() | $35.97 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, shipping cost = $9.14 | 100.0% |
![]() | $36.00 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, shipping cost = $10.95 | 100.0% |
![]() | $38.00 | Condition is New, First Alert 1046736 SM210 10-Year Photoelectric Smoke Detector 2-Pack-Brand New, shipping cost = $8.50 | 100.0% |
![]() | $38.99 | Condition is New, First Alert 1046745 10-YEAR BATTERY SMOKE ALARM SM210 & PLUG-IN CO ALARM CO606, shipping cost = $9.14 | 85.7% |
![]() | $39.99 | Condition is New, First Alert 1046736 SM210 10-Year Photoelectric Smoke Detector 2-Pack, shipping cost = $9.35 | 99.0% |
![]() | $49.39 | Condition is New, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim 1-Pack, White , FREE SHIPPING | 99.2% |
![]() | $50.12 | Condition is New, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim 1-Pack, White , FREE SHIPPING | 97.3% |
![]() | $52.11 | Top Pick! Condition is New, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim 1-Pack, White, FREE SHIPPING | 99.7% |
![]() | $59.87 | Condition is New, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Desig..., FREE SHIPPING | 99.3% |
![]() | $59.99 | Condition is New, 4 Pack First Alert Superior Smoke Alarm -Slim Profile Design- Model #SM210, FREE SHIPPING | 99.1% |
![]() | $69.86 | Condition is New, First Alert 1046736 SM210 10-Year Photoelectric Smoke Detector 2-Pack (#5473132), FREE SHIPPING | 97.9% |
![]() | $98.98 | Condition is New, New Lot of 5 First Alert SM210 10-Year Sealed Battery Smoke Alarm Slim Profile, FREE SHIPPING | ![]() |
![]() | $98.98 | Condition is New, New Lot of 5 First Alert SM210 10-Year Sealed Battery Smoke Alarm Slim Profile, FREE SHIPPING | ![]() |
![]() | $98.98 | Condition is New, New Lot of 5 First Alert SM210 10-Year Sealed Battery Smoke Alarm Slim Profile, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.95 | Condition is Used, First Alert Superior Smoke Alarm -Slim Profile Design- Model #SM210, shipping cost = $9.14 | 98.9% |
![]() | $32.03 | Top Pick! Condition is Used, FIRST ALERT SM210 10-YEAR SEALED BATTERY SMOKE ALARM, 1-PACK - WHITE, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is Open box, First Alert Superior Smoke Alarm Detector 10 Year Battery Slim Profile SM210 NEW, FREE SHIPPING | 99.1% |
![]() | $14.99 | Condition is Open box, First Alert Smoke Alarm 10 Year Battery Precision Detection SM210M, shipping cost = $6.95 | 98.6% |
![]() | $14.99 | Condition is Open box, *OPEN BOX* First Alert MODEL SM210 Sealed Battery Smoke Alarm, shipping cost = $7.00 | 99.4% |
![]() | $18.34 | Top Pick! Condition is Open box, First Alert Superior Smoke Alarm Slim Profile Design-Model #SM210 White, shipping cost = $4.99 | 99.8% |
![]() | $23.79 | Condition is Open box, First Alert Alarm Smoke DC10 SM210CO400, FREE SHIPPING | ![]() |
![]() | $15.00 | Condition is Open box, First Alert Superior Smoke Alarm -Slim Profile Design- Model #SM210, shipping cost = $9.14 | 98.7% |
![]() | $16.99 | Top Pick! Condition is Open box, First Alert Sm210 Smoke Alarm, shipping cost = $8.00 | 99.2% |
![]() | $18.00 | Condition is Open box, First Alert SM210 Sealed Battery Smoke Alarm with Slim Profile Design White, shipping cost = $6.58 | 100.0% |
![]() | $19.99 | Condition is Open box, First Alert 1046731 10-YEAR BATTERY SMOKE ALARM SM210, shipping cost = $5.99 | 100.0% |
![]() | $24.95 | Top Pick! Condition is Open box, First Alert Smoke Alarm SM210 10 Year Battery, FREE SHIPPING | 99.3% |
![]() | $15.07 | Condition is Open box, First Alert Alarm Smoke DC10 with LGT SM210L Clam Tray, shipping cost = $11.88 | 100.0% |
![]() | $16.90 | Condition is Open box, First Alert Superior Smoke Alarm Slim Profile Design SM210 10 Year Battery New, shipping cost = $11.35 | 100.0% |
![]() | $18.99 | Condition is Open box, First Alert SM210, 10-Year Battery Smoke Alarm with Slim Profile Design, shipping cost = $9.69 | 100.0% |
![]() | $21.95 | Condition is Open box, First Alert SM210 10-Year Battery Slim Smoke Alarm ** Missing Screws**, shipping cost = $6.37 | 99.2% |
![]() | $19.99 | Top Pick! Condition is Open box, NEW First Alert SM210 10-Year Sealed Battery Smoke Alarm - Mfg Date Dec 2025, shipping cost = $9.42 | 99.3% |
![]() | $19.99 | Top Pick! Condition is Open box, First Alert Superior Smoke Alarm -Slim Profile Design- Model #SM210 (READ DISCR), shipping cost = $9.06 | 99.8% |
![]() | $19.99 | Condition is Open box, First Alert Superior Smoke Alarm , shipping cost = $9.06 | 99.8% |
![]() | $19.99 | Condition is Open box, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, , shipping cost = $9.42 | 98.2% |
![]() | $22.99 | Condition is Open box, First Alert Sm210 Smoke Alarm Single Station Read! E12, shipping cost = $6.75 | ![]() |
![]() | $28.80 | Condition is Open box, First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, FREE SHIPPING | 99.6% |
![]() | $29.90 | Condition is Open box, First Alert SM210 Battery Smoke Alarm with Slim Profile Design White, FREE SHIPPING | 99.5% |
![]() | $29.95 | Condition is Open box, + First Alert 2 Pack Smoke Detector 10 year Battery-Powered Photoelectric SM210, FREE SHIPPING | ![]() |
![]() | $25.97 | Condition is Open box, Smoke Alarm First Alert SM210, 10-Year Sealed Battery with Slim Profile Design, shipping cost = $7.00 | 100.0% |
![]() | $32.03 | Condition is Open box, FIRST ALERT SM210 10-YEAR SEALED BATTERY SMOKE ALARM, 1-PACK - WHITE, FREE SHIPPING | ![]() |
![]() | $29.99 | Condition is Open box, 2pk First Alert Combination Smoke & Carbon Monoxide Alarm + Smoke Alarm, shipping cost = $9.99 | 99.6% |
![]() | $40.31 | Condition is Open box, Lot of 3 Smoke Alarms: Kidde 30CUD10-V Combo, First Alert SM210, Kidde 20SAR, FREE SHIPPING | ![]() |
![]() | $34.99 | Condition is Open box, First Alert Talking Photoelectric Smoke Detector 10 Year Battery SM210V, shipping cost = $9.42 | 98.2% |
![]() | $39.09 | Top Pick! Condition is Open box, First Alert Model Sm210 10 Year Sealed Battery Slim Profile Design Pack Of 2, shipping cost = $9.14 | 98.7% |
![]() | $67.00 | Condition is Open box, First Alert SM210 Smoke Alarm Lot of 4, shipping cost = $12.55 | 100.0% |

The First Alert 029054021847 10-Battery Smoke Alarm with battery design pack SM210 is a vital safety device designed to protect your home from the potential threat of fire. This smoke alarm comes with 10 pre-installed long-life batteries, ensuring uninterrupted operation for up to 10 years. This is a significant upgrade from traditional smoke alarms that require frequent battery replacements.
The Smoke Alarm with battery design pack SM210 boasts a sleek, modern design that seamlessly blends into any home decor. The smoke sensor is photoelectric, which is highly effective in detecting smoldering fires, the type that produce little to no visible smoke. This technology provides early warning, allowing ample time to evacuate the premises and minimize potential damage to property.
The alarm features a test and silence button for easy operation. A gentle beep every 30 seconds assures you that the batteries are working optimally. When it's time to test the alarm, pressing the button will emit a loud, piercing 85 decibel alarm. This sound is distinct and alarming, making it impossible to ignore.
The Smoke Alarm with battery design pack SM210 is equipped with a low battery warning feature. When the batteries start running low, the alarm will emit short beeps, alerting you to replace the batteries. This feature ensures you're never caught off guard, giving you peace of mind and maintaining the optimal safety of your home.
The Smoke Alarm with battery design pack SM210 is designed and engineered to meet the highest safety standards. It is UL listed, ensuring it meets the strict safety requirements set by Underwriters Laboratories. Additionally, this smoke alarm is interconnectable, allowing it to communicate with other smoke alarms in your home. When one alarm is triggered, all interconnected alarms will sound, providing comprehensive coverage and ensuring everyone is alerted to the danger.
The First Alert 029054021847 10-Battery Smoke Alarm with battery design pack SM210 is more than just a safety device; it is a valuable investment in the protection of your home and your loved ones. With its long-lasting batteries, modern design, and advanced safety features, this smoke alarm is a must-have for every home.
First Alert 029054021847 Smoke and Carbon Monoxide Alarm with 10-Year Battery: A Comprehensive Analysis
Introduction:The First Alert 029054021847 Smoke and Carbon Monoxide Alarm with a 10-year sealed battery (model number SCO501CN-3ST) is a popular home safety device that combines both smoke and carbon monoxide detection in a single unit. In this analysis, we will discuss the pros and cons of buying this particular smoke and carbon monoxide alarm to help you make an informed decision.
Pros:1. Long-lasting battery: The 10-year sealed battery eliminates the need for frequent battery replacements, providing peace of mind and convenience for homeowners.
2. Combination of smoke and carbon monoxide detection: The alarm can detect both smoke and carbon monoxide, making it an essential safety device for homes to protect against multiple hazards.
3. Easy installation: The alarm is simple to install with no wiring required, making it a suitable option for those who prefer a DIY approach.
4. Voice warnings: The alarm provides clear voice alerts for smoke and carbon monoxide hazards, ensuring that occupants are aware of the danger and can take appropriate action.
5. Test and silence buttons: The alarm features test and silence buttons for easy use, allowing homeowners to periodically check the functionality of the device and silence false alarms.
Cons:1. Non-replaceable battery: Although the 10-year battery is a significant advantage, it is not replaceable once the battery life expires. Homeowners must purchase a new alarm when the battery runs out.
2. Limited connectivity options: The alarm does not offer any advanced connectivity features, such as Wi-Fi or Bluetooth, which may be desirable for those who want remote monitoring and control.
3. No smart home integration: The alarm does not integrate with smart home systems or voice assistants, such as Amazon Alexa or Google Home, which may be a disappointment for tech-savvy homeowners.
4. Loud alarm: The alarm may be too loud for some users, especially during false alarms or late-night activations.
Conclusion:The First Alert 029054021847 Smoke and Carbon Monoxide Alarm with a 10-year battery is an excellent option for homeowners seeking a reliable and convenient safety device that combines both smoke and carbon monoxide detection. Its long-lasting battery, clear voice alerts, and easy installation make it a popular choice. However, its non-replaceable battery, lack of advanced connectivity features, and loud alarm may be drawbacks for some users. Ultimately, the decision to purchase this alarm depends on your specific needs, preferences, and budget.
Recommendation:If you prioritize long-term convenience and the combination of smoke and carbon monoxide detection, the First Alert 029054021847 Smoke and Carbon Monoxide Alarm with a 10-year battery is an excellent choice. However, if you require advanced connectivity features, a replaceable battery, or a quieter alarm, you may want to consider other options in the market. It's essential to weigh the pros and cons carefully and consider your unique circumstances before making a decision.
Details:
Test/silence button for efficient testing to ensure alarm is working properly. Slim profile design is half the depth of a standard alarm. 10-year sealed battery eliminates replacements and low chirps for the life of alarm. End-of-life warning let's you know when its time to replace the alarm.
specifications mersmallets:
- brand: First Alert
- mpn: Sm210
- type: Standing
- size: 1-pack
- color: White
- material: Other
- power source: Battery Powered
- features: Standard
- insect repellent treated: No
- upc: 029054021847
payments mersmallet's:
- wallet: google-pay
- other
- credit card: visa
offer mersmallet's:
- best offers: true
- in stock #: 5
- started: april 13, 2026
- sold #: 12
- prices: $9.95–$98.98
- item condition:
- New
- Used
- Open box
- availability: in stock
- options: ship-to-home
shipping mersmallet's:
- class: expedited
- service: fedex 2day
- carrier: fedex
- type: fixed
- transit: 3-4 days
seller mersmallet's:
- # reviews: 1017
- city: phoenix, arizona
- rating: 98.9%
returns mersmallet's:
- policy: returns accepted
- paid by: seller
- method: money back
- time: 30 days
general mersmallets:
- category: Home & Garden > Workshop Equipment > Hand Tools > Hammers Mallets











































































