This Chamberlain myQ Secure View smart lock bundle is $80 off at Amazon, bringing a deadbolt, video doorbell camera, chime, and spare battery together in one purchase. Face and fingerprint recognition are not available in Illinois, Texas, or outside the U.S. and Canada. Shipping is free. Buy Now at Amazon

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

This Chamberlain myQ video keypad is $50 off at Amazon. The camera records in 2K and sends motion alerts to the myQ app, and the keypad lets you create PIN codes with set access times for family, guests, or service providers. AI detection of people, cars, and packages and recorded video history require a myQ subscription, with a free trial included. Shipping is free. Buy Now at Amazon

Amazon is offering Ring security cameras, doorbells, and bundles, with the Ring Indoor Cam 2K starting at $25 and the Ring Battery Doorbell 2K at $40. Doorbell-and-camera bundles run from $50, including a Battery Doorbell paired with an Indoor Cam, while wired Floodlight Cam 2K models start at $100. Shipping is free for Prime members. Shop 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

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

Amazon's price of $79 for this Blink Outdoor XR+ system matches its all-time low. The bundle covers two cameras, a wired doorbell, and the extended-range Sync Module XR+. 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

X-Sense's SWS54 Wi-Fi water leak detector kit is $12 off at Amazon, and the price sits below its 90-day average of $47. The kit includes three sensors and a base station, and the sensors and base both sound 120 dB alarms. Shipping is free. Buy Now at Amazon

Update: The price has dropped to $27.99 since this was originally published.

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

Best Buy has eufy security gear on sale, covering smart locks, video doorbells, and outdoor cameras. The eufy Smart Lock C220 drops to $100, and the eufyCam 3 three-camera 4K solar kit with HomeBase 3 is $395, down from $600.  Buy Now at Best Buy

This X-Sense mailbox alarm is $14.98, down from $19.99, and matches its all-time low price. It sends a phone alert the moment mail arrives and runs on a battery rated for up to 4 years. Keep in mind it requires the SBS50 base station, which is sold separately. Free shipping applies for Prime members.  Buy Now at Amazon

This 3-pack of X-Sense water leak sensors is down to $28 from $40, a 29% discount. The sensors are designed to add on to an existing SWS0A41 system and require a separately sold base station to trigger alerts. Each sensor can detect water as shallow as 0.4 mm and fits into tight spaces at just 0.7" thick. Prime members get free shipping.  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 certified refurbished Arlo Essential 2K camera is $24, down from $100. It includes built-in spotlight and siren features for deterring intruders, along with mobile alerts and live video viewing through the Arlo Secure app. The listing also includes a two-year warranty through Allstate. Buy Now at eBay

This X-Sense storefront on Amazon features discounts of up to 33% off across smoke detectors, carbon monoxide alarms, interconnected alarm systems, and a radon detector. Prices range from about $20 for a basic smoke detector to $237 for an interconnected smoke and CO system. Prime members get free shipping.  Shop Now at Amazon

This X-Sense storefront on Amazon features discounts of up to 20% off smoke detectors, carbon monoxide alarms, radon detectors, and other home safety devices.  Free shipping applies.  Shop Now at Amazon

eBay has certified refurbished security cameras from brands like eufy, Reolink, Blink, and Arlo at up to 50% off. Deals include the eufy SoloCam S3 Solar Wireless Security Camera for $89.99, down from $199.99, and the Reolink TrackMix PoE 4K Dual Lens PTZ Camera for $123.99, down from $199.99. The selection spans standalone cameras, solar-powered outdoor units, and full NVR-based systems for whole-home coverage. Refurbs come with 1- or 2-year Allstate warranties. Shop Now at eBay

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