---
product_id: 452662637
title: "4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode."
brand: "haokesite"
price: "€ 161.35"
currency: EUR
in_stock: true
reviews_count: 8
category: "Haokesite"
url: https://www.desertcart.hr/products/452662637-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co
store_origin: HR
region: Croatia
---

# Clear LCD with real voice alerts 1800mAh rechargeable battery 4-in-1 multi-gas detection 4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode.

**Brand:** haokesite
**Price:** € 161.35
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay ahead of danger with the ultimate 4-in-1 gas guardian!

## Quick Answers

- **What is this?** 4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode. by haokesite
- **How much does it cost?** € 161.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/452662637-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co)

## Best For

- haokesite enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Power:** High-capacity 1800mAh lithium battery keeps you safe through extended shifts.
- • **Multi-Mode Alarm System:** Sound, vibration, light, and voice alerts ensure you never miss a danger signal.
- • **Rugged & Portable Design:** Shockproof, waterproof ABS body with clip-on grip for hands-free, on-the-go monitoring.
- • **Comprehensive 4-Gas Safety:** Detects EX, H2S, O2, and CO simultaneously for total workplace protection.
- • **Factory-Calibrated Precision:** Accurate readings out-of-the-box with adjustable gas thresholds tailored to your environment.

## Overview

The HAOKESITE 4 Gas Monitor is a professional-grade, rechargeable portable detector designed to simultaneously monitor EX (LEL), H2S, O2, and CO gases. Featuring a bright LCD display, real voice prompts, and a robust alarm system with sound, vibration, and light alerts, it ensures rapid hazard awareness. Built with durable ABS and rubber materials, it offers shock, dust, water, and explosion resistance. Factory calibrated and equipped with a long-lasting 1800mAh battery, this compact device clips easily onto clothing, making it an essential safety tool for confined space and underground work environments.

## Description

HAOKESITE 4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode. - desertcart.com

Review: Fast shipping and outstanding product - HSE safety is important, we like to keep new 4 gas analyzers in stock in the event of a detector going over its time limits.
Review: 4 Gas Monitor - Product shipped extremely fast. A great value for your money.

## Features

- 【Four Alarm Modes】4 in 1 gas detector can detect EX (0-100% LEL), H2S (PPM), O2 (0-30% VOL), CO (PPM). When the dangerous gas content in the air is too high. Gas monitors will remind you that the place is dangerous within 30S through four methods: human voice, 120 decibel alarm, vibration and light.
- 【LCD Display and Battery】Multi gas monitor has an LCD display that allows you to easily read the screen data, the readings are very reliable, it is an excellent device to ensure the safety of workers when we are undergrounding construction and confining space work. We use 1800mAh high-capacity lithium battery to ensure that the product can be used for a long time.
- 【Advanced Technology】Compared with other products, we use real voice prompts to allow users to quickly understand the product. And we come with a calibration cap, you can use a plastic tube to put the gas in, it can measure gas concentration more accurately. Comes FACTORY CALIBRATED, open and use it directly.
- 【Materials and Design】In terms of equipment material, it is made of high-strength ABS and non-slip grip rubber, small size and unique clip design, which can be clipped on clothes when use it. Good shock resistance, dust-proof, waterproof and explosion-proof functions. When you are in a closed or hypoxic environment, you don't want it to sound the alarm all the time, all four gases can be adjusted to your desired threshold (within the range).
- 【Packaging and Customer Service】Adoption hard metal outer box packaging, it is convenient for you to carry out, and the product can reach your hands in good condition. In addition, we are willing to provide you with unconditional returns and exchanges within 90 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B46LG754 |
| Alarm | Sound, Vibration, Alarm Light, Display Screen |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Best Sellers Rank | #166,498 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #159 in Gas Detectors & Alarms |
| Brand | HAOKESITE |
| Color | black |
| Customer Reviews | 3.8 3.8 out of 5 stars (64) |
| Date First Available | June 13, 2022 |
| Item Package Quantity | 1 |
| Item Weight | 10.6 ounces |
| Item model number | PLT840-4 |
| Manufacturer | HAOKESITE |
| Material | ABS |
| Number of Items | 1 |
| Operating Humidity | < 95%RH |
| Part Number | PLT840-4 |
| Power Source | Battery Powered |
| Product Dimensions | 5.51 x 2.87 x 1.26 inches |
| Sensor Type | Electrochemical |
| Shape | Rectangular |
| Size | M |
| Style | Gas Detector |
| Usage | Professional |

## Product Details

- **Alarm:** Sound, Vibration, Alarm Light, Display Screen
- **Brand:** HAOKESITE
- **Color:** black
- **Item Weight:** 10.6 Ounces
- **Material:** ABS
- **Number of Items:** 1
- **Operating Humidity:** < 95%RH
- **Power Source:** Battery Powered
- **Sensor Type:** Electrochemical
- **Style:** Gas Detector

## Images

![4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode. - Image 1](https://m.media-amazon.com/images/I/5116w5AFHTL.jpg)

## Questions & Answers

**Q: How long is the service life of this sensor, is it the life after opening?**
A: The service life of the product is about 15-24 months after you unpack it.

**Q: Does this detect Radon?**
A: No it does not.

**Q: Will this detect ethanol (alcohol) ?**
A: Yes,it can. the equipment is a gas detector. Ethanol is a volatile liquid at room temperature. You can smear ethanol on the table or hand, and then place the detector above the ethanol to detect the volatile gas of ethanol.

**Q: What regulator/ flow is needed for the calibraition gas**
A: You need to calibrate it at a local professional gas detector facility, as it requires a corresponding machine for operation.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fast shipping and outstanding product
*by R***E on November 14, 2023*

HSE safety is important, we like to keep new 4 gas analyzers in stock in the event of a detector going over its time limits.

### ⭐⭐⭐⭐⭐ 4 Gas Monitor
*by A***R on May 27, 2023*

Product shipped extremely fast. A great value for your money.

### ⭐ GOES INTO ALARM IN CLEAN AIR - NO PRODUCT SUPPORT
*by A***R on December 20, 2024*

I used this product once. The second time, it went into alarm in clean air. No way to adjust. No instructions. No product support. Guess what? It's outside of return window. Nice work Amazon!

## Frequently Bought Together

- HAOKESITE 4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode.
- Gas Detector, CHNADKS 4 Gas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration, Audible, Visual 4 Gas Monitor Personal Rechargeable Gas Sniffer Alarm with LCD
- BW Technologies Corded Electric BWC2-H BW Clip Single Gas H2S Monitor, 10/15 (1 Pack)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/452662637-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co](https://www.desertcart.hr/products/452662637-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-01-31*