---
product_id: 606158825
title: "First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack"
brand: "first alert"
price: "FREE"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.gr/products/606158825-first-alert-sm210m-10-year-sealed-battery-micro-smoke-alarm
store_origin: GR
region: Greece
---

# Compact 3.8cm micro design 10-year sealed battery life Precision Detection tech for early fire alerts First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack

**Brand:** first alert
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Compact power, lasting peace of mind 🔋

## Quick Answers

- **What is this?** First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack by first alert
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/606158825-first-alert-sm210m-10-year-sealed-battery-micro-smoke-alarm)

## Best For

- first alert enthusiasts

## Why This Product

- Trusted first alert brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Small size, big protection:** Less than half the size of standard alarms, fitting discreetly anywhere without compromising safety.
- • **Long-lasting power, zero hassle:** 10-year sealed battery means no replacements or annoying chirps—set it and forget it.
- • **Effortless testing and silencing:** One-button test/silence feature keeps your home safe with minimal fuss.
- • **Smart sensing, fewer false alarms:** Advanced Precision Detection reduces nuisance alerts from cooking, so you only get real warnings.
- • **End-of-life alert for peace of mind:** Know exactly when it’s time to upgrade with a clear end-of-life warning.

## Overview

The First Alert SM210M Micro Smoke Alarm combines cutting-edge Precision Detection technology with a sleek, compact design. Featuring a 10-year sealed battery, it eliminates the need for replacements and false alarms, ensuring reliable, long-term fire safety in any home.

## Description

Less than half the size and offering the same protection, the First Alert SM210M 10-Year Sealed Battery Micro Smoke Alarm meets new industry standards using First Alert's Precision Detection advanced sensing technology. The small but mighty smoke alarm is easy to install and doesn't require battery replacements.

Review: Good product - Good product, just be aware that it has different base than the previous vesrsion
Review: Nice little detector for use in my 3D printing - I have this installed in my 3D printing enclosure to monitor things when printing over night or unattended. It is small and compact enough to mount inside the 3d printer enclosure and provides us with the peace of mind to sleep at night.

## Features

- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
- Micro design equipped with the same protection as a regular sized alarm
- End-of-life warning lets you know when it’s time to replace the alarm
- 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
- Test/silence button for efficient testing to ensure alarm is working properly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJMP3G8P |
| Alarm | Audible |
| Best Sellers Rank | #178,133 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #192 in Smoke Alarms |
| Brand | First Alert |
| Color | White |
| Colour | White |
| Customer Reviews | 4.2 out of 5 stars 26 Reviews |
| Item Dimensions D x W x H | 38D x 38W x 38H millimeters |
| Item Type Name | Smoke Alarm |
| Item Weight | 0.16 Pounds |
| Item weight | 0.16 Pounds |
| Manufacturer | Resideo |
| Mfr Part Number | SM210M |
| Model Number | SM210M |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | Compact |
| Product dimensions | 38D x 38W x 38H millimeters |
| Sensor Type | Photoelectric |
| Style | Compact |
| UPC | 029054021939 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** First Alert
- **Colour:** White
- **Power source:** Battery Powered
- **Product dimensions:** 38D x 38W x 38H millimeters
- **Style:** Compact

## Images

![First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack - Image 1](https://m.media-amazon.com/images/I/61PqTbnJViL.jpg)
![First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack - Image 2](https://m.media-amazon.com/images/I/81wJv6FHz3L.jpg)
![First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack - Image 3](https://m.media-amazon.com/images/I/81zJcQEhFnL.jpg)
![First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack - Image 4](https://m.media-amazon.com/images/I/81Tg5u1Y8eL.jpg)
![First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack - Image 5](https://m.media-amazon.com/images/I/71D57xvrb1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by J***C on 10 April 2026*

Good product, just be aware that it has different base than the previous vesrsion

### ⭐⭐⭐⭐⭐ Nice little detector for use in my 3D printing
*by E***M on 15 August 2024*

I have this installed in my 3D printing enclosure to monitor things when printing over night or unattended. It is small and compact enough to mount inside the 3d printer enclosure and provides us with the peace of mind to sleep at night.

### ⭐⭐⭐⭐⭐ Replacement
*by F***B on 26 June 2025*

Exactly as advertised. Very happy with the product.

## Frequently Bought Together

- First Alert SM210M, 10-Year Sealed Battery Micro Smoke Alarm, 1-Pack
- First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-21*