---
product_id: 459186896
title: "Carbon Monoxide Detector with Display"
brand: "wisualarm"
price: "₨24172"
currency: LKR
in_stock: true
reviews_count: 13
category: "Wisualarm"
url: https://www.desertcart.lk/products/459186896-carbon-monoxide-detector-with-display
store_origin: LK
region: Sri Lanka
---

# Real-time LCD CO concentration 10-year battery life 85dB high-volume alarm Carbon Monoxide Detector with Display

**Brand:** wisualarm
**Price:** ₨24172
**Availability:** ✅ In Stock

## Summary

> 🛡️ Stay ahead of danger with decade-long, smart CO protection!

## Quick Answers

- **What is this?** Carbon Monoxide Detector with Display by wisualarm
- **How much does it cost?** ₨24172 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/459186896-carbon-monoxide-detector-with-display)

## Best For

- wisualarm enthusiasts

## Why This Product

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

## Key Features

- • **Smart Silent Mode:** Minimal light display keeps your sleep undisturbed while staying vigilant.
- • **Unmatched 10-Year Power:** Forget battery swaps—one install protects you for a decade.
- • **Effortless Setup & Portability:** Wall mount or free-stand—take safety wherever life takes you.
- • **Precision Electrochemical Sensor:** Figaro sensor delivers 24/7 pinpoint CO detection for peace of mind.
- • **Instant Alerts with Visual Clarity:** Large LCD and tri-color LEDs keep you informed at a glance.

## Overview

The WISUALARM Carbon Monoxide Detector features a premium Figaro electrochemical sensor for continuous, accurate CO monitoring. Certified to European EN 50291 standards, it boasts a 10-year replaceable battery, a clear LCD display with tri-color LED indicators, and an 85dB alarm to ensure your safety. Designed for easy wall mounting or portable use, it minimizes light disturbance during sleep and provides early low-battery warnings, making it a reliable, long-term guardian for your home or travel.

## Description

Product Description Sugest to TEST the CO concentration everyday Step 1: Prepare for Testing For daily use, the carbon monoxide alarm is in standby mode with the screen off to preserve battery life. And the CO alarm is still detecting. The Green light flashs once per minute. Step 2: Press Test Button We suggest you you test the air CO concentration everyday. When testing, just press the test button one time. Then the detector will response immediately and display its real time CO concentration. Step 3: Beeps 3 Times When you press the test button, the carbon monoxide detector will beep 3 times immediately, and the 3 LED indicators will flash 3 times at the same time. This means your detector properly. Step 4: Display CO Concentration After testing, it will display the CO concentration. When it shows 0, means your air CO concentration is 0 ppm, air quality is excellent. When it reaches & remains 300ppm within 3 minutes, it will alarm loudly to save your life. Acurate CO Detection The detector's advanced electrochemical CO sensor output the accurate carbon monoxide (CO) concentration to protects your family from 7*24 hours. Two Way Warning The large LCD screen displays accurate CO readings and the 3-color LED status light flashes green, amber, or red to indicate power, fault, or alarm. Test/ Slience Button The test and silence buttons are designed on one button, so that you can easily one key to test or silence, suggest you test it everyday. Easy Wall Mounted It can be easy wall mounted or free standing; you can take it during travel to protect you especially when there has fireplace or smoke evrioment. Your trustworthy CO Alarm Safer and Smarter Life WISUALARM is a subsidiary of famous security brand "Dahua". It is dedicated to providing advanced fire protection products and solutions. Fire Protection Product Expert European Local Operation Team Strong Technology R&D Team Reliable Quality Certificated by German laboratory TUV Rheinland Certification NO. 50537833 According to European EN 50291 standard Manufactured by famous sercurity company Rigously quality control for every process Specification

Review: Easy to set up - Quick delivery. Easy to set up
Review: Lovely ❤️ - Lovely. Came with wall sticker for mounting holes. Put in living room as its where the most of the time will be spent

## Features

- Accurate and Reliable: This detector utilises high end Figaro electrochemical CO sensor, providing continuous protection against carbon monoxide (CO) for your family, 24/7.
- 10-year Battery: The detector comes with a replaceable battery that has a lifespan of 10 years, ensuring you won't have to frequently change batteries.
- Quality Certified: This CO alarm has undergone rigorous testing and certification by a German laboratory to meet the European EN 50291 standard.
- Guardian in Silence: This detector's display screen has been minimize the light emission to give you a sleeping environment without light source disturbance. It's runing continously and will display and alarm when it detects unsafe carbon monoxide concerations.
- Easy to Use: This detector can be easily mounted on the wall or used as a free-standing device. It is also portable, allowing you to take it with you during travel to provide protection, particularly in areas with fireplaces or smoke.
- Effective Notification: The alarm features a built-in high-volume buzzer that emits a sound exceeding 85dB at a distance of 3 meters. Additionally, it provides a low battery warning in the early 30 days to ensure an effective alarm system.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B3DFQVS5 |
| Alarm | Audible |
| Best Sellers Rank | 47,883 in DIY & Tools ( See Top 100 in DIY & Tools ) 83 in Carbon Monoxide Detectors |
| Brand | WISUALARM |
| Colour | White |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 1,155 Reviews |
| Included Components | Adhesive Sticker, Carbon Monoxide Detector, Positioning Sticker, Screws Package, User Manual |
| Item Dimensions D x W x H | 2.9D x 11.7W x 7.2H centimetres |
| Item Type Name | Carbon Monoxide Detectors |
| Item Weight | 0.17 Kilograms |
| Item weight | 0.17 Kilograms |
| Manufacturer | Wisualarm |
| Material | ABS |
| Model Number | DHI-HY-GC20B |
| Part Number | DHI-HY-GC20B |
| Power source | Battery Powered |
| Product Style | Morden |
| Product dimensions | 2.9D x 11.7W x 7.2H centimetres |
| Sensor Type | Electrochemical |
| Style | Morden |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 40 Degrees Celsius |

## Product Details

- **Alarm:** Audible
- **Brand:** WISUALARM
- **Colour:** White
- **Item weight:** 0.17 Kilograms
- **Material:** ABS
- **Power source:** Battery Powered
- **Product dimensions:** 2.9D x 11.7W x 7.2H centimetres
- **Sensor type:** Electrochemical
- **Style:** Morden
- **Upper temperature rating:** 40 Degrees Celsius

## Images

![Carbon Monoxide Detector with Display - Image 1](https://m.media-amazon.com/images/I/61iE0FMnBrL.jpg)
![Carbon Monoxide Detector with Display - Image 2](https://m.media-amazon.com/images/I/61trflgxi1L.jpg)
![Carbon Monoxide Detector with Display - Image 3](https://m.media-amazon.com/images/I/61Q9rCx82pL.jpg)
![Carbon Monoxide Detector with Display - Image 4](https://m.media-amazon.com/images/I/613HQhZecsL.jpg)
![Carbon Monoxide Detector with Display - Image 5](https://m.media-amazon.com/images/I/61tsoYbyrUL.jpg)

## Available Options

This product comes in different **Pattern** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to set up
*by M***R on 6 January 2026*

Quick delivery. Easy to set up

### ⭐⭐⭐⭐⭐ Lovely ❤️
*by M***B on 28 December 2025*

Lovely. Came with wall sticker for mounting holes. Put in living room as its where the most of the time will be spent

### ⭐⭐⭐⭐ seems to be working fine
*by K***R on 11 March 2024*

Seems to be ok. For obvious reasons I don't want to test it in anger.

## Frequently Bought Together

- Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with LCD Display and Test/Silence Button Conforms to EN50291 Standard
- Smoke Alarm, 10 Years Battery, Smoke Alarms for Home, Fire Alarm with Mute Remotely Function,Big Test/Silence Button Smoke Alarms, Conforms EN14604, UKCA (1 Smoke)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-07-19*