---
product_id: 395756147
title: "MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ135 sensor module (MQ2)"
brand: "reland sun"
price: "$7.19"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/395756147-mq-2-mq-3-mq-4-mq-5-mq-6
store_origin: US
region: United States of America
---

# 9.5x5.6 cm 5V Power 10g Weight MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ135 sensor module (MQ2)

**Brand:** reland sun
**Price:** $7.19
**Availability:** ✅ In Stock

## Summary

> 🔍 Discover the Power of Precision Monitoring!

## Quick Answers

- **What is this?** MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ135 sensor module (MQ2) by reland sun
- **How much does it cost?** $7.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/395756147-mq-2-mq-3-mq-4-mq-5-mq-6)

## 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

- • **🔄 Dual Output Modes:** Experience both TTL and analog outputs for versatile applications.
- • **💡 High-Quality Design:** Crafted with a dual-panel design for enhanced durability and performance.
- • **⚡ Efficient Power Usage:** Operates seamlessly at a low voltage of just 5V.
- • **📊 Real-Time Monitoring:** Get instant feedback with a direct connection to microcontrollers or relay modules.
- • **📈 Concentration Sensitivity:** Analog output voltage increases with higher gas concentrations.

## Overview

The Reland SunMQ-2 sensor module is a compact and efficient gas sensor designed for real-time monitoring. With dual output modes (TTL and analog), it provides versatile applications for professionals. Its high-quality dual-panel design ensures durability, while the low voltage operation makes it energy-efficient. Weighing only 10g and measuring 9.5 x 5.6 cm, it's perfect for integration into various projects.

## Description

Reland Sun MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ135 sensor module (MQ2)

## Features

- TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
- The switching signal having a DO (TTL) output and analog output AO.
- Using high-quality dual-panel design,with power indicator and TTL signal output instructions.
- Analog output voltage with the higher concentration of higher voltage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Reland Sun |
| Package Dimensions | 9.5 x 5.6 x 1.2 cm; 10 g |
| Manufacturer reference | 1 |
| Manufacturer | Reland Sun |
| Voltage | 5 Volts |
| Item Weight | 10 g |

## Images

![MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ135 sensor module (MQ2) - Image 1](https://m.media-amazon.com/images/I/71hjaXk8QjL.jpg)

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-26*