---
product_id: 65576011
title: "Lonfener MQ-2 MQ2 Smoke Gas LPG Butane Methane Sensor Detector Module For Arduino"
brand: "lonfener"
price: "S$138"
currency: SGD
in_stock: true
category: "Electronics"
url: https://www.desertcart.sg/products/65576011-lonfener-mq-2-mq2-smoke-gas-lpg-butane-methane-sensor
store_origin: SG
region: Singapore
---

# Lonfener MQ-2 MQ2 Smoke Gas LPG Butane Methane Sensor Detector Module For Arduino

**Brand:** lonfener
**Price:** S$138
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Lonfener MQ-2 MQ2 Smoke Gas LPG Butane Methane Sensor Detector Module For Arduino by lonfener
- **How much does it cost?** S$138 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/65576011-lonfener-mq-2-mq2-smoke-gas-lpg-butane-methane-sensor)

## Best For

- lonfener enthusiasts

## Why This Product

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

## Description

Description:100% band new and high qualityQuantity:1pcColor : blackSize:32mmx20mmx22mmMain Chip: The LM393, ZYMQ - 2 Gas SensorWorking Voltage: DC 5 VGreat for home or factory gas leakage detectionUse for Detecting: Combustible gas such as LPG, butane, methane, alcohol, propane, hydrogen, smoke, etc

## Features

- An MQ-2 gas sensor module that outputs an analog value when sensing combustible gas. The higher concentration of the gas is, the greater value it will output. When the value exceeds the threshold set, the signal indicator will light up.
- High sensitivity to liquefied gas, natural gas, town gas, smog, etc.
- With a comparator LM393 to output both digital and analog signals at the same time
- Working voltage: 3.3V - 5V; PCB size: 2.3 x 4.0cm
- Equipped with power light and a signal output indicator

## Images

![Lonfener MQ-2 MQ2 Smoke Gas LPG Butane Methane Sensor Detector Module For Arduino - Image 1](https://images-na.ssl-images-amazon.com/images/I/61bmLExkGIL.jpg)
![Lonfener MQ-2 MQ2 Smoke Gas LPG Butane Methane Sensor Detector Module For Arduino - Image 2](https://images-na.ssl-images-amazon.com/images/I/61HLuZGn9lL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/65576011-lonfener-mq-2-mq2-smoke-gas-lpg-butane-methane-sensor](https://www.desertcart.sg/products/65576011-lonfener-mq-2-mq2-smoke-gas-lpg-butane-methane-sensor)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-18*