X-Sense Smoke and Carbon Monoxide Alarm 5-Pack

Setting up a whole house with interconnected alarms means every unit sounds off together, which saves you from running separate wiring or hoping everyone hears a beep from two floors away. This six-pack from Amazon runs $133, about $32 off the $165 list price, for Prime members. Deal ends October 8.  Buy Now at Amazon

At Amazon, get this myQ Garage Plug-in 2K Smart WiFi Camera for $28. It's the best price Amazon has charged for this model. It records 2K video with night vision and a 130° wide-angle lens, and it's rated to work in temperatures from -4°F to 122°F. The magnetic base allows for tool-free mounting on any metal surface in the garage. Buy Now at Amazon

This GunVault AR 1000 Assault Rifle Vault is $15. That's $65 off list, and $13 under Amazon's price. Built from 18-gauge steel with a tamper-resistant door and no-eyes keypad, it's designed to mount discreetly in a closet, vehicle, or office for quick access to a standard AR-15 rifle. Shipping adds $10, or get free shipping with an order of $50 or more.  Buy Now at Adorama

At Amazon, get the Ring Battery Doorbell 2K (2026) for $40. It's $30 less than our mention from last month and the best deal we've seen for this model. It records in 2K video with a wide-angle view and offers up to 6x enhanced zoom, along with two-way talk and real-time motion alerts sent straight to your phone. Buy Now at Amazon

This Blink Solaris 2K+ add-on camera is $43.99 at Best Buy in Black or White.  That's its best-ever price.  Shipping is free. Buy Now at Best Buy

Amazon Prime Big Deal Days sale features a large selection of discounts and deals on electronics and tech items. The lineup spans laptops, phones, audio, gaming, and accessories, with the Apple MacBook Air 13" dropping to $1,099 and the 15" model at $1,299. Samsung's Galaxy S26 Ultra is included at $979.99, alongside Apple AirPods Pro 3 at $179 and Madden NFL 27 for PS5 at $42.99. Deal ends October 7. Shop Now at Amazon

Amazon Prime Big Deal Days 2026 is now live. Click through to find deals and discounts spread across every major category. Shop for home essentials, tech, Apple products, apparel, tools, sporting goods, and more. There's also deals to be found in Amazon's Haul, Outlet, and Resale sections, along with deals on Prime Video, Kindle, and Audible subscriptions. The sale ends on October 7. Shop Now at Amazon

Clip the on-page coupon to knock this alternative Halloween costume down to $18. That's a savings of $5. Buy Now at Amazon

Here Prime members can find doorbuster deals that are available as part of Amazon's Prime Big Deal Days sale. Inside are discounted items from brands like Bose, Samsonite, DeWalt, and New Balance. Shipping is free. Sale ends October 7. Shop Now at Amazon

Testing your home for radon is something the EPA recommends regardless of your region, and this plug-in monitor gives continuous readings instead of a one-time test. At $51.29, that's $33.70 (40%) off the $84.99 list price for Prime members. Deal ends October 7.  Buy Now at Amazon

At Amazon, get this X-Sense Radon Detector for $54. It's the best deal we've seen for this model. It offers up to 90% accuracy with 7-day monitoring and tracks radon averages over 1-day, 7-day, 30-day, and 90-day periods, with data storage for up to 999 days. It runs on 3 AA batteries and requires no subscription or lab fees to use. Buy Now at Amazon