---
product_id: 149451190
title: "MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module"
brand: "reland sun"
price: "309 zł"
currency: PLN
in_stock: true
category: "Reland Sun"
url: https://www.desertcart.pl/products/149451190-mg811-carbon-dioxide-sensor-co2-sensor-gas-sensor-module
store_origin: PL
region: Poland
---

# Built-in audible alarm Robust carbon-based sensor High-sensitivity CO2 detection MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module

**Brand:** reland sun
**Price:** 309 zł
**Availability:** ✅ In Stock

## Summary

> 🌿 Breathe smarter, live safer — never miss a beat with MG811!

## Quick Answers

- **What is this?** MG811 Carbon Dioxide Sensor, CO2 Sensor, Gas Sensor Module by reland sun
- **How much does it cost?** 309 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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

- • **Plug-and-Play Module:** Easy integration into automotive or environmental monitoring systems without hassle.
- • **Durable Carbon Sensor:** Engineered with carbon material for reliable, long-lasting gas detection performance.
- • **Instant Audible Alerts:** Stay informed with a built-in alarm that signals unsafe CO2 concentrations immediately.
- • **Precision CO2 Monitoring:** Detects carbon dioxide levels with high sensitivity for accurate air quality insights.
- • **Trusted Brand Reliability:** From Reland Sun, a recognized name ensuring quality and consistency in sensor tech.

## Overview

The MG811 Carbon Dioxide Sensor by Reland Sun is a high-sensitivity gas sensor module designed for precise CO2 detection. Featuring a durable carbon-based sensor and an audible alarm, it provides real-time alerts for unsafe air quality levels. Ideal for automotive and environmental monitoring, this plug-and-play module ensures reliable performance and peace of mind.

## Description

MG811 carbon dioxide sensor, CO2 sensor, gas sensor module

## Features

- Reland Sun

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W12TDKC |
| Alarm | Audible |
| Best Sellers Rank | #3,287,652 in Automotive ( See Top 100 in Automotive ) #841 in Automotive Replacement Exhaust Gas Sensors |
| Brand | Reland Sun |
| Date First Available | August 2, 2019 |
| Item model number | MG811 |
| Manufacturer | Reland Sun |
| Material | carbon |
| Number of Items | 1 |
| Sensor Type | gas sensor |
| UPC | 717066366949 |

## Product Details

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

## Images

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

## Frequently Bought Together

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

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-06-25*