Setting up the Arlo Pro 2 wireless security system in your home is one of the simplest ways to ensure you can keep an eye on things no matter where you are. Its cameras are 100% wire-free and weatherproof, making them suitable for use either indoors or outside, and today you can pick up the 4-camera security system kit for $549.99 — its lowest price to date! This set used to sell for as much as $800 just last year, though it's more commonly sold for around $685 on average these days.

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Arlo Pro 2 1080p 4-camera wireless home security system

Thanks to their weatherproofing, these 100% wire-free security cameras are built to work indoors and outside. You can even choose to plug them in to keep them continuously powered up.

$549.99 $684.98 $135 off

Once the cameras are installed around your home, you'll be able to use a free app on your phone to watch the video feeds from anywhere in the world. They record in 1080p HD with the ability to save up to seven days of recordings for free. You can also elect to subscribe to an Arlo Smart Plan for longer continuous recordings.

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These cameras feature motion sensors and the option to set activity zones to focus its sensors on specific areas of your home or yard. When motion is detected, you'll receive an alert straight to your mobile device and be able to quickly see what's going on. They even work hand-in-hand with devices featuring Amazon Alexa or Google Assistant for voice control, and you can view your live video feeds on devices like the Fire TV Stick too. Each camera is also equipped with a built-in microphone and speaker for two-way calling so you can speak to whoever's at home by using the app.

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