Best Home Security Deals

This lock combines keypad, app, key, and voice control in one unit, useful if you want to ditch spare keys and check who's coming and going remotely. Apply coupon code "VXU4VY5Q" for a savings of $100.  Buy Now at Amazon

Woot is discounting a wide range of smart locks and home security gear by up to 84%, including several Philips WiFi keypad deadbolts and fingerprint locks. For example, the Philips DDL230X-10HW Retrofit Smart Lock is down to $50, falling from its original price of $289. The sale also has security cameras and video doorbells from Ring and other smaller brands. These deals end on September 19. Shop Now at Woot! An Amazon Company

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

At $70, this Philips fingerprint door lock matches its lowest price on Amazon and sits well below its $110 list price. It combines fingerprint access with a touchscreen keypad and unlimited one-time PIN codes, giving several ways to unlock the door without a physical key. An adjustable auto-lock timer and one-touch locking feature add convenience for everyday use. Buy Now at Amazon

X-Sense's Fall Sale takes up to 50% off, with an extra 10% off using promo code "FALL10" at checkout. The SC07-MR Interconnected Smart Smoke and CO Alarm is priced at $153 after the code, down from $200, while the SD19-MN Interconnected Smart Smoke Alarm drops to $63 after the code, down from $120. Orders of $199 or more come with a free gift, such as a smoke or carbon monoxide alarm worth up to $35.99, and orders over $299 qualify for a higher-tier gift. Sale ends September 22.  Shop Now at X-Sense Innovations Co.

At Amazon, get this X-Sense Radon Detector for $54. It's the best deal we've seen for this model. It tracks radon levels for up to 999 days without recurring lab fees, and a built-in thermometer helps monitor conditions for more accurate readings. The 2-year battery life means it can run continuously without frequent maintenance. Buy Now at Amazon

This ABUS Granit Plus 640 mini U-lock is $55 at Woot, down from $90.98. It uses a 12mm hardened steel shackle with a double-bolted lock body and an ABUS Plus cylinder designed to resist tampering and picking. Two keys are included, one of which is an LED key for locking in the dark, and the included TexKF bracket fits tubes from 21 to 80mm. You pay $86 or more at other stores. Buy Now at Woot! An Amazon Company

This Ring Starter Set with battery doorbell and indoor cam is $70 off, bringing it down to $70 from its $140 regular price at The Home Depot. That's well below Amazon's current price of $500. The set pairs a battery-powered video doorbell with an indoor camera, giving two-way talk and live view for monitoring both the entrance and inside the home. Buy Now at Home Depot

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 Vevor 2.7x1.4-Foot Water-Activated Flood Bags 6-Pack for $26. It's the best deal we've seen for this 6-pack. Each bag expands to 3-4 in. thick within about 10 minutes of contact with water, offering a sandless alternative to traditional sandbags for doorways, basements, and garages. Buy Now at Amazon

This hidden camera is $29.80, down from $49.80, the lowest price it has hit on Amazon. Independent testing of several hidden cameras singled out this AD9 model as the smallest one with true 4K recording, calling it the most discreet camera in that lineup. Prime members get free shipping.  Buy Now at Amazon

Important documents get quick access with three unlock options, useful if you want backup methods in case the biometric scanner fails or batteries die. Apply coupon code "4CN8VCHT" for a savings of $40. Buy Now at Amazon

A solar panel keeps this one running without battery swaps or cords, which suits spots like driveways or sheds where running power isn't practical. Apply coupon code "33T7FZ6S" for a savings of $21. Deal ends September 15.  Buy Now at Amazon

Amazon offers the Ring Outside Door Sensor for $24.99. That's a $15 savings and the lowest it's been at Amazon. Shipping is free for Prime members.  Buy Now at Amazon

Update: The price has changed to $239.99 since this was originally published.

This 6-pack of X-Sense smoke and carbon monoxide detectors is $237.48, down from $269.99. Each unit runs on a sealed lithium battery rated for 10 years, so there's no need to swap batteries, and the alarms wirelessly link together so every unit sounds if one detects danger anywhere in the home. Free shipping applies.  Buy Now at Amazon

Use promo code "VVTY10" to drop the Vevor 3-Tier Hidden Wall Safe to $71.15, an all-time low.  Shipping is free.  Deal ends September 18th. Buy Now at VEVOR

This EverPlus door reinforcement lock is $16.98 for a 2-pack, down from $19.99. Each lock is built to withstand 800 lb. of force and installs on the door frame in a few minutes with basic tools. Buy Now at Amazon

Handy for anyone keeping a items secured but quickly accessible at home, thanks to the fingerprint and keypad backup entry options. Apply coupon code "WPJ8K9MJ" for a savings of $30. Buy Now at Amazon

Battery power means no wiring hassle for covering a garage, shed, or side yard, and 2K resolution gives you sharper playback than standard 1080p models at this range. Amazon has it for $21.49, exactly half off the $43 list price. Apply coupon code "W1EPR385" to get the deal. Buy Now at Amazon