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Overview

This UL-certified, battery-powered smoke and carbon monoxide detector features dual photoelectric and electrochemical sensors, 360° detection, an 85dB alarm with flashing LED, a real-time LCD CO display, and easy wire-free installation for reliable home safety monitoring.

Wireless, battery-operated combined smoke and carbon monoxide detector. Color: White.

Model: Zyscope509
Web Code: 19831394
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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.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

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

Product Description:

【Dual Protection for Your Home】This smoke and carbon monoxide detector combines a fast-response photoelectric smoke alarm with a high-precision electrochemical carbon monoxide sensor. Its compact design provides reliable smoke and carbon monoxide detection, ensuring safety throughout your home.

【85-Decibel Audible Alarm + Flashing LED Indicator】When dangerous smoke or carbon monoxide is detected, this smoke and carbon monoxide alarm emits a high-decibel 85-decibel alarm, while the LED indicator flashes – ideal for bedrooms, hallways, living rooms, basements, garages, and apartments requiring fire and gas alarms.

【Real-Time Carbon Dioxide Monitoring with LCD Display】A large LCD display monitors carbon dioxide concentration (PPM) in real time, allowing you to stay informed about indoor air quality and promptly detect rising carbon monoxide levels to prevent dangerous situations.

【Battery Powered, Easy Installation (No Wiring Required)】This smoke detector and carbon monoxide alarm is powered by three AA batteries, making it ideal for apartments, rental properties, residences, or RVs. Easy DIY installation is possible using the included screws and brackets; quickly mount to a wall or ceiling.

【UL Certified Safety, 360° All-Around Detection】The 360° air intake design provides comprehensive environmental monitoring, paired with a long-life sensor that meets UL217 (smoke) and UL2034 (carbon monoxide) certifications. A reliable home safety device to protect against fire and carbon monoxide poisoning.

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

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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.
See our return policy to find specific return information for this product and steps on how to return by mail.