Ring Alarm Kits (Various Sizes) + Echo Dot | $169-$304 | Amazon
Graphic: Shep McAllister
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Ring is best known for its security cameras and doorbells, but its indoor home security system is one of our favorite options without a monthly fee (but if you do want 24/7 monitoring, it’s only $10 per month). The five-piece entry level starter kit includes a keypad, base station alarm, a contact sensor, a motion sensor, and a range extender, and today’s $169 deal is within $10 of the best price Amazon’s ever listed.

And oh yeah, they’re throwing in a free Echo Dot too. That means you can arm, disarm, and check the status of your system with only your voice. Larger systems with more sensors are also on sale (just select the one you want from the product page), some of which (like the $249 11-piece set) are cheaper than they’ve ever been before.