At Amazon, this Chamberlain myQ video keypad kit is $45. That's $65 off and at its Amazon all-time low. The kit includes a wired power adapter, a mounting kit, and a battery pack. AI detection of people, cars, and packages requires a myQ subscription, and a free trial is included. Shipping is free. Buy Now at Amazon

The Blink Mini Pan-Tilt Camera matches its Amazon all-time low of $24 and sits well below its 90-day average of $35. Cloud clip storage requires a Blink Subscription Plan, with a free 30-day trial, or local storage with the separately sold Sync Module 2 and a USB drive. Shipping is free for Prime members. Buy Now at Amazon

This X-Sense smart mailbox alarm is $30, well below its 90-day Amazon average of $41. The kit includes the SBS50 base station, which can connect up to 50 X-Sense devices. The alarm works with curbside, wall mount, slot, and cluster mailboxes, but not mail slots without lids. Shipping is free. Buy Now at Amazon

Costco has the SimpliSafe Series 2 10-piece security system for $100 off, with the discount valid through November 15 and limited to 2 per member. The kit covers entry points, motion detection, and the outdoors with an included camera, and 3 months of professional monitoring are included at no extra charge. There are no long-term contracts, and shipping and handling are included. Buy Now at Costco

The Ring Spotlight Cam 2K is $80 off at Amazon, and the $90 price reaches its Amazon all-time low. It's also well below its 90-day average of $142. Motion alerts, spotlights, and a siren are built in, though saved video history requires a separate Ring Protect Plan subscription. Shipping is free. Buy Now at Amazon

This Ring Outdoor Cam 2K is $50 off at Amazon and matches its Amazon all-time low of $50. Its 90-day average on Amazon is $91. It runs on a battery and has a weather-resistant build, so it can be mounted without wiring. Ring Protect Plan features like video history and intelligent alerts require a subscription sold separately. Shipping is free. Buy Now at Amazon

At Amazon, this Ring Battery Doorbell 2K is $40 for Prime members, down from $100. It's the best deal we've seen for this model.The built-in battery recharges over USB-C, so no existing doorbell wiring is needed. Recording history and AI-powered alerts require a Ring Protect subscription, which is sold separately. Shipping is free. Buy Now at Amazon

Amazon has the newest Ring Battery Doorbell 2K at $40 for Prime members, which matches its Amazon all-time low. That is below its 90-day average of $73. AI-powered alerts and video history require a Ring Protect subscription, which is sold separately. Shipping is free. Buy Now at Amazon

This bundle, which includes a Blink Outdoor 4 Camera and a Blink Battery Doorbell 2K+, is down 76% from its $130 price at Amazon. The Battery Doorbell 2K+ delivers 2K resolution with a head-to-toe field of view, while the Outdoor 4 covers the perimeter at 1080p; both run on AA lithium batteries rated for up to two years per charge and require no wiring. Person and vehicle detection alerts require a paid Blink subscription, sold separately. 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

Update: The price has dropped to $9.98 since this was originally published.

At Amazon, get this EverPlus Home Security Reinforcement Door Lock for $9.98. It's the best price we could find by $10. The metal lock is rated to withstand 800 lb. of force and comes with a 5-year manufacturer warranty. 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

Update: The price has changed to $29.99 since this was originally published.

At Amazon, get this 3K 5MP Window Camera for $28. It's the best deal Amazon has offered for this model. It includes two separate window mounts, a flat one for ground-floor windows and a tilted one for second-floor installation, along with color night vision and free 7-day cloud storage. Buy Now at Amazon

At Amazon, add this Smart Fingerprint Keyless Entry Door Lock to your cart to drop the price to $59 automatically at checkout. It's the best price Amazon has charged for this door lock. It combines five unlock methods, including fingerprint, keycard, passcode, physical key, and WiFi app control, along with real-time entry alerts and a built-in doorbell. Buy Now at Amazon

Update: The price has changed to $29.99 since this was originally published.

At Amazon, get this 3K 5MP Window Camera for $28. It's the best deal Amazon has offered for this model. It comes with two mounts, a flat one for first-floor windows and a 20° tilt mount for second-floor installation, so one camera can cover multiple angles without extra hardware. It also includes free 7-day cloud storage alongside local microSD recording. Buy Now at Amazon

Use promo code "10PERCENTOFFALL" to get this price and beat what other stores charge by $106. Buy Now at eBay