---
product_id: 149451190
title: "MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module"
brand: "reland sun"
price: "€ 95.30"
currency: EUR
in_stock: true
category: "Reland Sun"
url: https://www.desertcart.es/products/149451190-mg811-carbon-dioxide-sensor-co2-sensor-gas-sensor-module
store_origin: ES
region: Spain
---

# Audible alarm for instant alerts High-sensitivity CO2 detection Durable carbon enclosure MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module

**Brand:** reland sun
**Price:** € 95.30
**Availability:** ✅ In Stock

## Summary

> 🌿 Breathe smarter, live safer — the MG811 CO2 sensor that means business.

## Quick Answers

- **What is this?** MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module by reland sun
- **How much does it cost?** € 95.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/149451190-mg811-carbon-dioxide-sensor-co2-sensor-gas-sensor-module)

## Best For

- reland sun enthusiasts

## Why This Product

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

## Key Features

- • **Robust Carbon Build:** Engineered with a carbon enclosure for long-lasting durability and reliability
- • **Trusted Performance:** Backed by Reland Sun’s quality and a perfect 5-star user rating
- • **Instant Audible Alerts:** Never miss a spike with built-in sound alarms that keep you informed in real-time
- • **Plug & Play Integration:** Seamlessly fits into your existing air quality systems for effortless upgrades
- • **Precision CO2 Monitoring:** Stay ahead with ultra-sensitive gas detection for safer environments

## Overview

The MG811 Carbon Dioxide Sensor by Reland Sun is a high-precision gas sensor module designed for accurate CO2 detection. Featuring an audible alarm for immediate alerts and a durable carbon enclosure, it ensures reliable performance in air quality monitoring applications. Ideal for professionals seeking dependable environmental sensing solutions.

## Description

MG811 carbon dioxide sensor, CO2 sensor, gas sensor module

## Features

- Reland Sun

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W12TDKC |
| Alarm | Audible |
| Best Sellers Rank | #3,754,606 in Automotive ( See Top 100 in Automotive ) #945 in Automotive Replacement Exhaust Gas Sensors |
| Brand | Reland Sun |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Enclosure Material | carbon |
| Manufacturer | Reland Sun |
| Mfr Part Number | 717066366949 |
| Model Number | MG811 |
| Number of Items | 1 |
| Sensor Type | gas sensor |
| UPC | 717066366949 |
| Unit Count | 1.0 Count |

## Product Details

- **Alarm:** Audible
- **Brand:** Reland Sun
- **Manufacturer:** Reland Sun
- **Material:** carbon
- **Number of Items:** 1
- **Sensor Type:** gas sensor
- **UPC:** 717066366949
- **Unit Count:** 1.0 Count

## Images

![MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module - Image 1](https://m.media-amazon.com/images/I/51cOWtAvHZL.jpg)
![MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module - Image 2](https://m.media-amazon.com/images/I/51Uygc1AVqL.jpg)
![MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module - Image 3](https://m.media-amazon.com/images/I/619nuiKyV7L.jpg)

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- MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module
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**Shop now:** [https://www.desertcart.es/products/149451190-mg811-carbon-dioxide-sensor-co2-sensor-gas-sensor-module](https://www.desertcart.es/products/149451190-mg811-carbon-dioxide-sensor-co2-sensor-gas-sensor-module)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-07-07*