---
product_id: 471589225
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: "1428 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Haokesite"
url: https://www.desertcart.ro/products/471589225-4-gas-monitor-rechargeable-portable-gas-detector-h2s-o2-co
store_origin: RO
region: Romania
---

# 1800mAh long-lasting battery Multi-gas simultaneous detection 4-mode alarm: sound, light, vibration, voice 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:** 1428 Lei
**Availability:** ✅ In Stock

## Summary

> 🚨 Your frontline guardian in every breath — safety that speaks volumes!

## 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?** 1428 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/471589225-4-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

- • **Rugged & Ready:** Built with shock-resistant ABS and non-slip rubber, plus dust-proof, waterproof, and explosion-proof design for harsh environments.
- • **Stay Ahead of Danger:** Detects EX (0-100% LEL), H2S, O2, and CO gases simultaneously for comprehensive safety coverage.
- • **Precision You Can Trust:** Factory calibrated with advanced sensors and a calibration cap for ultra-accurate gas concentration readings every time.
- • **Power Through Your Shift:** Equipped with a high-capacity 1800mAh rechargeable lithium battery for extended use without interruption.
- • **Instant Alerts, Zero Delay:** Four alarm modes including a piercing 120dB sound, vibration, flashing light, and real human voice prompts ensure you never miss a warning.

## Overview

The Haokesite 4 Gas Monitor is a professional-grade, rechargeable portable detector designed to simultaneously monitor combustible gas (LEL), hydrogen sulfide (H2S), oxygen (O2), and carbon monoxide (CO). Featuring a clear LCD display, four distinct alarm modes (sound, light, vibration, and voice), and a robust 1800mAh battery, it ensures reliable, real-time safety alerts in demanding industrial environments. Its rugged ABS and rubber construction offers shock, dust, water, and explosion resistance, making it an indispensable tool for professionals working in confined or hazardous spaces.

## Description

Buy 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. online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: 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: 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), where LEL refers to the concentration of combustible gas in the air, PPM (means parts per million concentration). 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. Advanced integrated circuit technology and high-quality gas sensors have excellent sensitivity and repeatability, and can measure multiple gases simultaneously and continuously at one time.
- 【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 |
| ASIN  | B0B46LG754 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries  | 1 Lithium Ion batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Best Sellers Rank | #107,555 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #39 in Combination Gas & Carbon Monoxide Detectors |
| Color | black |
| Customer Reviews | 3.8 3.8 out of 5 stars (63) |
| Customer reviews | 3.8 3.8 out of 5 stars (63) |
| Date First Available | 20 September 2022 |
| Date First Available  | 20 September 2022 |
| Item Package Quantity | 1 |
| Item Weight | 300 g |
| Item model number | PLT840-4 |
| Item model number  | PLT840-4 |
| Manufacturer | HAOKESITE |
| Manufacturer  | HAOKESITE |
| Material | ABS |
| Part number | PLT840-4 |
| Power source type | Battery Powered |
| Product Dimensions | 14 x 7.3 x 3.2 cm; 300.5 g |
| Product Dimensions  | 14 x 7.3 x 3.2 cm; 300.5 g |
| Shape | Rectangular |
| Size | M |
| Specific uses | Professional |
| Style | Gas Detector |

## Product Details

- **Brand:** HAOKESITE
- **Colour:** black
- **Item weight:** 10.6 Ounces
- **Power source:** Battery Powered
- **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

### ⭐⭐⭐⭐⭐ Review
*by R***E on 14 November 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.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 27 May 2023*

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

### ⭐ Review
*by A***R on 20 December 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)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-19*