Skip to main contentSkip to footer
1 of 10

Overview

This four-in-one composite alarm combines gas leak warning and environmental comfort monitoring. Through high-precision sensors and smart chips, it provides all-round protection for detecting methane, carbon monoxide poisoning, temperature and humidity for homes, shops, offices and other places, significantly improving the safety level and quality of life.

4-in-1 Gas Environment Monitor | Methane, CO, Temperature, and Humidity Monitoring | Sound and Light Alarm with Digital Display | Suitable for Commercial and Home Use -1 piece

Model: GS-Sept2605
Web Code: 19476483
Sold and shipped by | 3.2 seller rating (80 reviews)

Colour: Black - 1 piece

Colour Black - 2 pieces
Colour Black - 2 pieces

Black - 2 pieces

Colour Black - 1 piece
Colour Black - 1 piece

Black - 1 piece

Colour Black - 4 pieces
Colour Black - 4 pieces

Black - 4 pieces

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Precise Monitoring: Utilizes highly sensitive sensors to simultaneously monitor combustible gas (methane), toxic gas (carbon monoxide), temperature, and humidity.

Intelligent Alarm: A built-in smart chip automatically learns environmental benchmarks and implements graded alarms (e.g., ≥300 PPM/minute), effectively reducing false alarms.

Clear Visibility: A high-definition digital tube displays real-time data, and supports automatic screen-off with light sensing, eliminating distractions at night.

Safe and Durable: Compliant with safety regulations, constructed from flame-retardant materials, and powered by a wide AC100-240V voltage supply, ensuring long-term stable operation.

Widely Applicable: Meets the security needs of a variety of scenarios, including homes, shops, restaurants, offices, and warehouses.

📊 Packing List: four-in-one alarm in black*1

Product Condition
Brand New

Alarm

Colour
Black - 1 piece

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened

Learn more about returning a Marketplace product